Is there life on Mars? Congressional gridlock is getting in the way of an answer. NASA cut hundreds of jobs Tuesday at one of its key laboratories that sends robots to Mars, despite dozens of lawmakers urging the agency and the White House to avoid such a move.
90,000 Years Ago, Humans Walked on a Moroccan Beach. We Just Found Their Footprints.
Studying lake deposits in Idaho could give scientists insight into ancient traces of life on Mars