Water
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…
Scientists Piece Together the Shoreline of an Ancient Ocean on Mars
Scientists have long suspected that Mars was once warm and wet in its ancient past. The Mars Ocean Hypothesis says…
Underground Liquid Water Detected on Mars? Maybe not
New research from Cornell University shows that radar reading from Mars' South Pole region may not have been caused by…
Socks, The Final Frontier
What is the greatest challenge facing humans as we prepare for the first crewed missions to Mars? Solar and cosmic…
A Mars Meteorite Shows Evidence of a Massive Impact Billions of Years ago
Researchers at Australia’s Curtin University have discovered evidence of a massive impact on the Martian surface after 4.45 billion years…
Water was Already Here Before the Earth Formed
Where did Earth's water come from? That's one of the most compelling questions in the ongoing effort to understand life's…
There are Places Where Salty Water Could Emerge Onto the Surface of Mars
The existence of water on Mars is a contentious subject. We know there used to be water on the surface…
Is the Underground Lake on Mars Just Volcanic Rock?
Is Mars home to an underwater lake? Different researchers are reaching different conclusions. Some say remote sensing from the Mars…
The Scientific Debate Rages on: Is there Water Under Mars’ South Pole?
There's no surface water on Mars now, but there was a long time ago. If you ask most people interested…
Ice Peeks out of a Cliffside on Mars
The HiRISE (High-Resolution Imaging Science Experiment) camera on the Mars Reconnaissance Orbiter has captured another beauty. This time the image…