Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.
It’s a virtual mission to Mars. Our first mission to Mars may still be a ways off, but people can take a virtual tour of the Red Planet thanks to a brand new video by the Mars Express Orbiter. People ...
Billions of years ago, Mars’ Jezero Crater held a lake fed by rivers that could have carried minerals and maybe even organic matter. On Earth, places like that are teeming with microbial life. NOVA is ...
Why is the Martian sky red by day… but blue at sunset? Why is the Martian sky red by day… but blue at sunset? And how did it used to look more like Earth? The strange story of Mars’ skies can reveal a ...