Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Your browser does not support the video element. For the first time, NASA scientists have found direct evidence of a mysterious form of icy volcanism on a former ...

Venus, however, is a different story. Its crust is thicker—anywhere from 30 to 90 kilometers—and its surface is extremely hot ...

Because salt has been detected on Mars, it is likely that Martian mudflows are also salty, much like Earth’s mud volcanoes, ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

New calculations by researchers at Washington University in St. Louis suggest that the planet's outer crust may be constantly ...

Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

Venus, on the other hand, is a hot planet both inside and out. Surface temperatures reach 870°F, and its volcanoes and other surface features show clear signs of melting.