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Mars Loses an Ocean But Gains the Potential for Life
It's hard to believe it now looking at Mars' dusty, dessicated landscape that it once possessed a vast ocean. A…
Why Don’t We Search for Different Life?
If we really want to find life on other worlds, why do we keep looking for life based on carbon…
Astronomy Cast Ep. 363: Where Did The Earth’s Water Come From?
Where on Earth did our water come from. Well, obviously not from Earth, of course, but from space. But did…
Why Is Venus So Horrible?
Venus really sucks. It's as hot as an oven with a dense, poisonous atmosphere. But how did it get that…
Rosetta’s Instruments Direct Scientists to Look Elsewhere for the Source of Earth’s Water
Where did all of our water come from? What might seem like a simple question has challenged and intrigued planetary…
What Strange Places Are Habitable?
Everywhere we look on Earth, we find life. Even in the strangest corners of planet. What other places in the…
Some Of Earth’s Water Could Be A Million Years Older Than The Solar System
A new model suggests that up to half of the water on Earth may be older than the Sun and…
Astronomy Cast Ep. 352: Water, Water Everywhere!
Where ever we find water on Earth we find life. And so, it makes sense to search throughout the Solar…
Hubble Finds 3 (Relatively) Dry Exoplanets, Raising Questions About Water Outside The Solar System
Surprise! Three planets believed to be good candidates for having water vapor in their atmosphere actually have much lower quantities…
Rosetta Detects Water on its Target Comet
It's no surprise that there is a lot of water in comets. The "dirty snowballs" (or dusty ice-balls, more accurately)…