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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 ...

Volcanic activity on Mars has existed in the past. The most recent was likely 50,000 years ago. Olympus Mons, the largest volcano on Mars, hasn't shown signs of activity for 25 million years. Volcanic ...

An alien world with a seemingly sulphur-filled atmosphere may be the most volcanic planet astronomers have ever spotted. We have never directly detected volcanic activity outside our solar system, in ...