National Radio Astronomy Observatory astronomers used a tried-and-true method - stellar parallax - to resolve a controversy over the Pleiades' distance.
It's highly unlikely a supervolcano will erupt at Yellowstone National Park. But, says a new study, if one did, volcanic ash would cover North America.
Using telescopes on the ground and in space, astronomers have obtained the best-yet view of a galaxy collision that happened when the universe was half its current age.
NASA says this is New Horizons' last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.
Five finalists named as potential landing sites this November for Philae lander in ESA's fabulous Rosetta comet mission. Comet 67P/Churyumov–Gerasimenko, here we come.
Strong earthquake struck San Francisco Bay area early on August 24, 2014. Power outages, moderate damage across region, closed highways, serious injuries, no deaths.
Next time you're brushing you teeth, think on this: New research suggests that the fluorine in your toothpaste originates from the sun’s dead ancestors.