During ice ages, volcanoes served as a warm, cozy refuge for species, a new study reveals.
Three members of Expedition 38 crew have touched down safely in Kazakhstan, after experiencing five and a half months of microgravity.
California earthquake: A 6.8-magnitude temblor shook northern California on Sunday night. Can we still expect more aftershocks?
Malaysia Airlines Flight 370, carrying 239 people, suddenly disappeared on its way to Beijing from Kuala Lumpur. Under what circumstances can a plane drop off the radar?
'Cosmos: A Spacetime Odyssey' reboots Carl Sagan's popular science miniseries. Here are seven things that the show's new host, Neil deGrasse Tyson, taught us about the universe and our place in it.
Astrophysicist and science communicator Neil deGrasse Tyson discusses his motives for rebooting the science documentary series 'Cosmos,' which premiered on Sunday evening on Fox.
Researchers at the University of East Anglia have identified four chemicals permitted under the Montreal Protocol that appear to be slowing the recovery of the ozone hole.
The Winklevoss twins will ride Virgin Galactic into space. But NASA astronauts Mark and Scott Kelly are the first set of identical twins to fly in space.
First-ever images of this event: NASA's Hubble Space Telescope captures images of the disintegration of an asteroid in deep space.
A black hole at the center of quasar RX J1131-1231, some 6 billion light years from Earth, has a rate of rotation that approximates half the speed of light, reveals a study.
The beloved PBS series is getting a FOX makeover, this time hosted by astrophysicist Neil deGrasse Tyson, accompanied by the vocal talents of 'Family Guy' creator Seth MacFarlane.
Researchers find that Cahokia, a pre-Columbian native American city of 20,000 near what would become St. Louis, may have been the first cross-cultural melting pot in North America.
Paleontologists in Portugal have identified a previously unknown dinosaur species. Torvosaurus gurnei roamed and ravaged in Europe long before Tyrannosaurus rex stomped through America.
The National Oceanic Atmospheric and Administration issued an official El Niño watch Thursday. In the US, El Niño is expected to lead to fewer Atlantic hurricanes and more rain for California and southern states, and even a milder winter next year.
Many of the bluestones at the prehistoric stone circle in Wiltshire, England make 'distinctive (if muted) sounds' when hit with small hammerstones, say researchers.
Using solar-powered tags affixed to sea turtles' shells, scientists are now able to glimpse the marine reptile's 'lost years' after they hatch.
Asteroid P/2013 R3 fell apart in space, thanks to the subtle yet devastating effects of sunlight on rotating bodies.
The White House's 2015 budget request includes $15 million for the development of a mission to Europa, a Jovian moon thought to harbor liquid water.
Asteroid near Earth: For the second day in a row, an asteroid hurtles past our planet – within the moon's orbit – on Thursday.
Thanks to a rare celestial alignment, for the first time scientists have made a direct measurement of the rotation of a black hole.
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