Did Mars' water escape underground, where it dwells today in vast amounts? Some scientists aren't so sure. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...

In a groundbreaking discovery, scientists have found evidence of vast underground reservoirs of liquid water on Mars, hidden deep beneath the planet’s surface. This revelation comes from seismic data ...

A new study offers key insights into Mars' water cycle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have found seismic clues that ...

The quest to send humans to Mars is on: US President Donald Trump talked about it in his inauguration speech this year. Such an epic endeavor could help to answer fundamental questions about the Red ...

Researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in the soil. Their water storage capabilities may help us understand the change in water on Mars over time.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A mineral trapped ...

New research suggests Mars' slope streaks are the result of wind and dust, not water. © NASA/JPL-Caltech/University of Arizona In 1976, NASA’s Viking mission ...

What can mapped drainage systems on Mars teach scientists about the red planet's watery past? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to ...