NASA held a press conference to discuss the stability of the West Antarctic Ice Sheet and its potential contribution to future sea level rise. The researchers announced that the ice sheet's collapse is both underway and unstoppable.
Expectant mothers are more likely to get into serious car crashes, a study finds. The risk is highest in the second trimester, when accident rates are similar to those for people with sleep apnea.
The Calif.-based maker of the Falcon 9 is hoping to break up a monopoly on the launch market for national security satellites.