Add Yahoo as a preferred source to see more of our stories on Google. A spacecraft that launched from Florida nearly 40 years ago helped discover a vast underground tunnel formed from ancient volcanic ...

When scientists recently took a closer look at archival images of the surface of Venus, they discovered something new: evidence of volcanic activity on Earth's "twin." The NASA Magellan spacecraft ...

A vast underground tunnel formed from ancient volcanic activity has been discovered lurking beneath Venus. The landmark discovery, highlighted in research published Feb. 9 in the journal Nature ...

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 created by a lava ...

Evidence of volcanic activity on Venus has been confirmed for the first time. An empty lava tube beneath the planet’s surface has been identified by analyzing radar data collected by NASA’s Magellan ...