Mars' liquid water may have had an atmospheric 'escape route'
Warmer seasons help hydrogen escape into space at a much quicker rate than usual.
Gravity wave ripples across Venus' hellish atmosphere
Spotted by Japan's Akatsuki spacecraft, it was likely whipped up by 250 mph winds.
Atmospheric 'lens' could shield troops from laser weapons
It could also be used for reconnaissance and creating mirages.
ICYMI: Studying the 1700's clouds for pollution clues
The Industrial Revolution really screwed up paradise.
The After Math: Buyer's remorse
Sorry, no take-backs. You know the rules.
Earth's early air weighed half as much as it does today
The findings could force us to rethink how our planet developed.
NASA's closer to knowing why Mars' surface is cold and dead
Scientists believe that Mars could have once been a lush planet with flowing liquid water until something turned it into a cold, dry, uninhabitable place.
Watch gravity waves ripple through Earth's atmosphere
You might think of gravity as an invisible force here on Earth, but that's not entirely true... if...
Mars probe finds super-active auroras and mystery dust clouds
As much as humanity knows about Mars, the planet is still chock-full of surprises. Just ask NASA:...