Researchers had only hypothesized the existence of underground lava tubes on Venus —until now.

The search for life doesn’t have to reach distant star systems—some of the best candidates may be right here in our own solar system. From buried oceans beneath icy moons to underground reservoirs on ...

The search for life isn’t limited to distant exoplanets—some of the most promising candidates may be right here in our own solar system. Ancient Mars, the vast subsurface oceans of Europa and ...

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

The former president's lighthearted comments on extraterrestrials made the news in recent days. He wasn't entirely wrong.

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

February holds some spectacular sights in the night and morning sky. See what's happening in the skies over North Texas this ...

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...

NASA's Magellan orbiter launched from Florida in 1989 helped scientists discover a vast underground lava tube on Venus in a ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.

By Will Dunham WASHINGTON, Feb 9 (Reuters) - A fresh examination of radar data for Venus obtained by NASA's Magellan spacecraft in the 1990s indicates the presence of a large underground cavity ...

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