water
3 Billion Years Ago, the World Might Have Been a Waterworld, With No Continents At All
Evidence from an ancient section of the Earth's crust suggest that Earth was once a water-world, some three billion years…
Water Vapor Was Just Found on Europa, More Evidence There’s Liquid Water Beneath All that Ice
What's been long-suspected has now been confirmed: Jupiter's moon Europa has water. As we've learned more about the outer Solar…
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.…
Hayabusa1’s Samples of Itokawa Turned up Water That’s Very Similar to Earth’s Oceans
A recent study of samples from the asteroid Itokawa has revealed that "dry" asteroids may have delivered up to half…
Signs that Ancient Rivers Flowed Across the Surface of Mars, Billions of Years Ago
Billions of years ago, Mars was likely a much warmer and wetter place than the cold, dry, barren world we…
Not all the Earth’s Water Came From Comets
We have comets and asteroids to thank for Earth's water, according to the most widely-held theory among scientists. But it's…
Watch this Chilling Animation of Capetown’s Water Disappearing
A new animation released by NASA's Earth Observatory illustrates how ongoing drought is diminishing Cape Town's water supply.
Construction Tips from a Type 2 Engineer: Collaboration with Isaac Arthur
Fraser Cain and Isaac Arthur team up again to bring you another epic collaboration. This time, it’s construction tips from…
Weekly Space Hangout – February 10, 2017: Weekend Eclipse, Occultation and Comet 45P!
Host: Fraser Cain (@fcain) Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg) Dave Dickinson (www.astroguyz.com /…
Is There Life on Mars?
You know what would be exciting? Finding life on Mars. What is the best evidence we’ve seen for life on…