NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three zooming around Mars’ atmosphere, had been working as expected before it ...

President Donald Trump is expected to direct his administration to move to reclassify marijuana as a less dangerous drug, according to people familiar with the matter, a move that could represent one ...

The U.S. Food and Drug Administration intends to put a "black box" warning on COVID-19 vaccines, CNN reported on Friday, citing two people familiar with the agency's plans.