liquid water
Mars’ Gale Crater was Filled with Water for Much Longer Than Anyone Thought
Even with all we've learned about Mars in recent years, it doesn't stack up against all we still don't know…
This Planet is Way Too Big for its Star
Scientists love outliers. Outliers are nature's way of telling us what its boundaries are and where its limits lie. Rather…
Liquid Water on Rocky Planets Could be 100 Times More Likely
Astronomers previously believed that you needed a special environment for a rocky planet to have liquid oceans on its surface,…
Could Life Survive on Frigid Exo-Earths? Maybe Under Ice Sheets
Our understanding of habitability relies entirely on the availability of liquid water. All life on Earth needs it, and there's…
Pluto and Other Kuiper Belt Objects Started Out With Water Oceans, and Have Been Slowly Freezing Solid for Billions of Years
It seems unlikely that an ocean could persist on a world that never gets closer than 30 astronomical units from…
Water Discovered in the Atmosphere of an Exoplanet in the Habitable zone. It Might Be Rain
Astronomers using the Hubble space telescope have discovered water in the atmosphere of an exoplanet in its star's habitable zone.…
Weekly Space Hangout – Mar 17, 2017: Stuart McNeill of the Intrepid Sea, Air & Space Museum
Host: Fraser Cain (@fcain) Special Guest: Stuart McNeill is the the Community Engagement specialist in charge of Family Programs and…
What Did Cassini Teach Us?
In just a few months, NASA's Cassini spacecraft is going to die, crashing into the planet Saturn. Let's look back…
Boiling Water Is Carving Martian Slopes
Surface features on Mars may have been caused by boiling water.
Will We Contaminate Europa?
Europa is probably the best place in the Solar System to go searching for life. But before they're launched, any…