liquid water

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…

2 years ago

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.…

2 years ago

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…

5 years ago

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…

5 years ago

Boiling Water Is Carving Martian Slopes

Surface features on Mars may have been caused by boiling water.

6 years ago

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…

6 years ago

This Mountain on Mars Is Leaking

As the midsummer Sun beats down on the southern mountains of Mars, bringing daytime temperatures soaring up to a balmy 25ºC (77ºF),…

7 years ago

Where Should We Look for Life in the Solar System?

Emily Lakdawalla is the senior editor and planetary evangelist for the Planetary Society. She's also one of the most knowledgeable…

8 years ago

More Evidence of Liquid Erosion on Mars?

  [/caption] Terby Crater, a 170-km-wide (100-mile-wide) crater located on the northern edge of the vast Hellas Planitia basin in…

11 years ago