Earlier this year Arctic sea ice sank to a record low wintertime extent for the third straight year. Now NASA is flying a set of instruments north of Greenland to observe the impact of the melt season on the Arctic’s oldest and thickest sea ice. Operation IceBridge, NASA’s airborne survey of polar ice, launched a […]
Could an extra warm summer cause an earthquake in your backyard? Probably not… unless you live in Alaska. You probably know that friction in the earth’s crust causes earthquakes, but did you know that a little extra sunshine might increase your chances of experiencing an earthquake if you live where glaciers are present? That’s because […]
The Hubble Space Telescope captured images of Phobos, one of the moons of Mars in orbit around the red planet. Image-NASA The sharp eye of NASA’s Hubble Space Telescope has captured the tiny moon Phobos during its orbital trek around Mars. Because the moon is so small, it appears star-like in the Hubble pictures. Over […]
BUFFALO, N.Y. — In saliva, scientists have found hints that a “ghost” species of archaic humans may have contributed genetic material to ancestors of people living in Sub-Saharan Africa today. The research adds to a growing body of evidence suggesting that sexual rendezvous between different archaic human species may not have been unusual. Past studies […]