Hesperian

Flowing Martian Water was Protected by Sheets of Carbon Dioxide

Mars' ancient climate is one of our Solar System's most perplexing mysteries. The planet was once wet and warm; now…

2 weeks ago

Olympus Could Have Been a Giant Volcanic Island in an Ancient Martian Ocean

New research shows that Mars' Olympus Mons may have once been a volcanic island surrounding by ocean.

1 year ago

China’s Rover Found Evidence of an Ancient Ocean on Mars

In a recent study published in National Science Review, a team of researchers led by the China University of Geosciences…

1 year ago

Mars Could Have Been wet for Much Longer Than Previously Believed

According to new NASA-sponsored research, Mars may have had an ocean as recent as 3 billion years ago (500 million…

3 years ago

What a Geologist Sees When They Look at Perseverance’s Landing Site

Geologists love fieldwork. They love getting their specialized hammers and chisels into seams in the rock, exposing unweathered surfaces and…

4 years ago