Experts say a European satellite is running on empty.
They expect it to fall apart and come crashing to earth in pieces as soon as this weekend.
Brian Todd is OutFront with the details.
Are we all Martians?
An internationally renowned Geo-chemist caused a stir Thursday when he said, "the evidence seems to be building that we are actually all Martians; that life started on Mars and came to Earth on a rock."
Is this the stuff of science fiction? Or could there be truth to the theory?
OutFront: Bill Nye The Science Guy, he's the Executive Director of The Planetary Society.
According to a new study by Smithsonian, beer makes you more attractive to mosquitoes.
Erin Burnett reports
Natural Resources Defense Council has ranked the best and worst beaches in the United States.
Erin Burnett has the list.
NASA has issued The Asteroid Grand Challenge, an effort to get ideas for how to capture asteroids.
Erin Burnett has the story OutFront.