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Feed: SCIENCE NEWS HEADLINES - YAHOO NEWS

Get the latest Science news headlines from Yahoo News. Find breaking Science news, including analysis and opinion on top Science stories.


Scientists find Earth-like planet circling sun's nearest neighbor
24-Aug-16

The planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to our Solar System, is seen in an undated artist's impressionScientists have discovered a planet that appears to be similar to Earth circling the star closest to the sun, potentially a major step in the quest to find out if life exists elsewhere in the universe, research published on Wednesday showed. The relative proximity of the planet, known as Proxima b, gives scientists a better chance to eventually capture an image of it, to help them establish whether it has an atmosphere and water, which is believed to be necessary for life. Future studies may reveal if any atmosphere contains tell-tale chemicals of biological life, such as methane, according to a paper published in this week's issue of the journal Nature.






China shows first images of Mars rover, aims for 2020 mission
24-Aug-16

Concept portrayal of China's Mars rover and landerChina has showed off its first images of a rover it plans to sent to Mars in mid-2020, which is designed to explore the planet surface for three months, state media said, the latest aim of China's ambitious space program. China in 2003 became the third country to put a man in space with its own rocket after the former Soviet Union and the United States. It has touted its plans for moon exploration and in late 2013 completed the first lunar "soft landing" since 1976 with the Chang'e-3 craft and its Jade Rabbit rover.






Scientists hope new test could help contain meningitis outbreaks
24-Aug-16

By Umberto Bacchi LONDON (Thomson Reuters Foundation) - A test has been developed that could help diagnose bacterial infections including meningitis in minutes, but it could take several years before a cheap testing device is available to developing countries, scientists said on Wednesday. The new test could save lives, allow treatment of disease - which is difficult to diagnose - to start much sooner and reduce the risk of life-changing after effects, an international team of researchers led by Imperial College London said. "We would very much hope this could become something cheap enough to be applied even in resource poor regions," Imperial College Professor Michael Levin told the Thomson Reuters Foundation.



What are the origins of life? There's a rocket for that
22-Aug-16

Artist rendering of NASA's OSIRIS-REx spacecraft is seen in an undated handout imageBy Ben Gruber CAPE CANAVERAL, Fla. (Reuters) - NASA scientists are putting the finishing touches on a spacecraft designed to rendezvous with Asteroid Bennu in 2018 to find clues about the origins of life. "We are days away from encapsulating into our rocket faring and lifting this spacecraft on to the Atlas V vehicle and beginning the journey to Bennu and back," Dante Lauretta, the principal investigator of the mission told Reuters at the Kennedy Space Center. The $1 billion mission, known as OSIRIS-REx, is scheduled for launch on Sept. 8, 2016 from Cape Canaveral Air Force Station in Florida.






U.S. astronauts prepare station for commercial space taxis
19-Aug-16

NASA astronaut Jeff Williams works inside the Bigelow Expandable Activity Module attached to the International Space StationTwo NASA astronauts completed a six-hour spacewalk outside the International Space Station on Friday to install a parking spot for upcoming commercial space taxis, which will end U.S. reliance on Russia for rides to the orbiting outpost. Station commander Jeff Williams and flight engineer Kate Rubins floated outside the station's airlock and headed toward the berthing slip once used by NASA's now-retired space shuttles, a NASA TV broadcast showed.






Italy Earthquake: Complex Geology Drives Frequent Shaking
24-Aug-16

Italy Earthquake: Complex Geology Drives Frequent ShakingPowerful earthquakes like the 6.2-magnitude temblor that rocked central Italy early this morning (Aug. 24) are surprisingly common in the region, geologists say. The shaking was caused by movement in the Tyrrhenian Basin, a seismically active area beneath the Mediterranean Sea. Here, the ground is actually spreading apart, said Julie Dutton, a geophysicist with the U.S. Geological Survey.






It's Splitsville: Divorce May Be Seasonal, Study Finds
24-Aug-16

The rates of divorce filings may peak twice a year, a new study from one state suggests. In a 14-year study of divorce filings in Washington state, researchers found that the rates of such filings consistently peaked in March and August. "People tend to face the holidays with rising expectations, despite what disappointments they might have had in years past," study co-author Julie Brines, an associate sociology professor at the University of Washington, said in a statement.



Mental Toll of Bad Jobs Lasts Decades
24-Aug-16

If your job causes stress and anxiety in your life, it may seem obvious that it may be bad for your health. A new study shows that people who had low levels of job satisfaction in their 20s and 30s may have an increased risk of mental health problems in their 40s. "We found that there is a cumulative effect of job satisfaction on health that appears as early as your 40s," lead author Jonathan Dirlam, a doctoral student in sociology at The Ohio State University, said in a statement.



Spaceflight Is Entering a New Golden Age, Says Blue Origin Founder Jeff Bezos
26-Nov-15

Spaceflight Is Entering a New Golden Age, Says Blue Origin Founder Jeff BezosEarly Monday (Nov. 23), the private spaceflight company Blue Origin made a major stride in the pursuit of fully reusable rockets, when it launched an uncrewed vehicle into space and then soft-landed the rocket booster on the ground. "It was one of the greatest moments of my life," said Jeff Bezos, Blue Origin's founder, speaking about the landing in a press briefing yesterday (Nov. 24). "And my teammates here at Blue Origin, I could see felt the same way.






Turkey and Football: How Astronauts Celebrate Thanksgiving in Space
26-Nov-15

Turkey and Football: How Astronauts Celebrate Thanksgiving in SpaceThanksgiving in space will be a lot like the holiday down here on the ground — minus the gravity, of course. Like most Americans, NASA astronauts Scott Kelly and Kjell Lindgren have Thanksgiving (Nov. 26) off, and they'll spend the day aboard the International Space Station (ISS) watching football and enjoying a turkey-centric feast, agency officials said. Kelly and Lindgren gave viewers a look at that feast in a special Thanksgiving video this week, breaking out bags of smoked turkey, rehydratable corn, candied yams and potatoes au gratin.






Jackpot: Scientists find Earth-like planet at star next door
24-Aug-16

This artist rendering provided by the European Southern Observatory shows a view of the surface of the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the Solar System. The double star Alpha Centauri AB also appears in the image to the upper-right of Proxima itself. Proxima b is a little more massive than the Earth and orbits in the habitable zone around Proxima Centauri, where the temperature is suitable for liquid water to exist on its surface. (European Southern Observatory via AP)WASHINGTON (AP) — After scanning the vast reaches of the cosmos for Earth-like planets where life might exist, astronomers have found one right next door.






Scientists find Earth-like planet circling sun's nearest neighbor
24-Aug-16

The planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to our Solar System, is seen in an undated artist's impressionThe relative proximity of the planet, known as Proxima b, gives scientists a better chance to eventually capture an image of it, to help them establish whether it has an atmosphere and water, which is believed to be necessary for life. Future studies may reveal if any atmosphere contains tell-tale chemicals of biological life, such as methane, according to a paper published in this week's issue of the journal Nature. The planet, located about 4.2 light-years from Earth, or 25 trillion miles (40 trillion km), is the closest of some 3,500 planets that have been discovered beyond the solar system since 1995, according to the paper.






Scientists find Earth-like planet circling sun's nearest neighbour
24-Aug-16

The planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to our Solar System, is seen in an undated artist's impressionScientists have discovered a planet that appears to be similar to Earth circling the star closest to the sun, potentially a major step in the quest to find out if life exists elsewhere in the universe, research published on Wednesday showed. The relative proximity of the planet, known as Proxima b, gives scientists a better chance to eventually capture an image of it, to help them establish whether it has an atmosphere and water, which is believed to be necessary for life. Future studies may reveal if any atmosphere contains tell-tale chemicals of biological life, such as methane, according to a paper published in this week's issue of the journal Nature.






Scientists: Puffin chicks starving with less food available
23-Aug-16

PORTLAND, Maine (AP) — Atlantic puffin chicks on Machias Seal Island in the Gulf of Maine have had the worst breeding season ever recorded, with the majority of chicks starving to death in burrows, scientists said.



Alien Megastructure? 'Tabby's Star' Continues to Baffle Scientists
23-Aug-16

Alien Megastructure? 'Tabby's Star' Continues to Baffle ScientistsNearly a year after first making headlines around the world, "Tabby's star" is still guarding its secrets. In September 2015, a team led by Yale University astronomer Tabetha Boyajian announced that a star about 1,500 light-years from Earth called KIC 8462852 had dimmed oddly and dramatically several times over the past few years. Boyajian and her colleagues suggested that a cloud of fragmented comets or planetary building blocks might be responsible, but other researchers noted that the signal was also consistent with a possible "alien megastructure" — perhaps a giant swarm of energy-collecting solar panels known as a Dyson sphere.






Eat your food packaging, don't bin it - scientists
22-Aug-16

By Alex Whiting ROME (Thomson Reuters Foundation) - Scientists are developing an edible form of packaging which they hope will preserve food more effectively and more sustainably than plastic film, helping to cut both food and plastic waste. The packaging film is made of a milk protein called casein, scientists from the U.S. Department of Agriculture said at a meeting of the American Chemical Society. The film looks similar to plastic wrapping, but is up to 500 times better at protecting food from oxygen, as well as being biodegradable and sustainable, the researchers said at the meeting in Pennsylvania, which runs until Thursday.



'RNA World': Scientists Inch Closer to Recreating Primordial Life
22-Aug-16

'RNA World': Scientists Inch Closer to Recreating Primordial LifeScientists studying the origin of life think that the first molecules to replicate themselves — the very first living things — lived in what is called "RNA world." The RNA world hypothesis says that before there was DNA, or deoxyribonucleic acid, there was RNA (ribonucleic acid) serving as a kind of primitive genetic material and simple enzymes. This is simpler than the protein-based chemistry that governs life today, in which the genetic material and enzymes are separate. In the new study, David Horning and Gerald Joyce, both at The Scripps Institute in La Jolla, California, mixed a cocktail of water, RNA and an enzyme called ribozyme.






Lochte's Lies: How Science Explains Fibbers
22-Aug-16

Nearly a week after Ryan Lochte and three other U.S. swimmers claimed to have been robbed at gunpoint in Rio de Janeiro, Brazil, it seems the men are admitting their story seriously bent the truth. The 12-time Olympic medalist also said he regretted taking focus away from those still competing in the Olympics, and thanked Brazil for hosting. In the swimmers' original version of events, Lochte and three fellow swimmers said their taxi was pulled over and they were robbed at gunpoint early in the morning of Aug. 14.



Are Black Holes Truly Black? Lab Test Supports Stephen Hawking's Theory
19-Aug-16

Are Black Holes Truly Black? Lab Test Supports Stephen Hawking's TheoryIf Hawking radiation comes from astrophysical black holes (not just those created in a lab), it would mean these objects are not entirely dark. It could also help scientists solve a paradox posed by black holes, and perhaps shed light on one of the most significant problems facing modern physics. According to Steinhauer, earlier calculations by cosmologist Stephen Hawking (who came up with the theory that bears his name) combined the theories of quantum physics and gravity.






NASA Opens Research Portal for Scientists
18-Aug-16

NASA Opens Research Portal for ScientistsNASA has a new web portal highlighting the research funded by the agency, and promises to put all its peer-reviewed studies online in less than a year. The research will be available on PubSpace, an archive maintained by the U.S. Department of Health & Human Services. There is no charge to register, and the data can be downloaded and analyzed, NASA officials said.










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