Planetary scientists once suspected that the vast depression on the moon was an impact crater caused by an asteroid collision. New analysis of data collected by NASA's GRAIL mission suggests otherwise.
New models developed by researchers at the University of Cambridge suggests that portions of Greenland's ice sheet that sit atop soft ground could be more susceptible to global warming than areas atop hard rock.
Up to half of the water in Earth's oceans is older than the sun and the rest of the solar system, finds new research that suggests that water might be more plentiful in young solar systems than previously thought.
The European Space Agency announced Friday that the Rosetta orbiter will attempt to land on comet 67P/Churyumov-Gerasimenko on Nov. 12. A successful touchdown would be the first time any spacecraft landed on a comet.