Don’t count the search for life on Mars out just yet. A recent study in The Astrophysical Journal Letters reports eight dark ...

For years, internet users have shared an image that appears to show a volcanic lava flow shaped like a phoenix that appeared to rise above a city at night. Captions that accompanied the image in many ...

Eight possible cave openings found on the Martian surface look to have once had ancient streams flowing into them, suggesting ...

If there is, or ever has been, life on Mars, the chances are it would exist in caves protected from the severe dust storms, ...

Mount Etna, the rambunctious volcano on the Italian island of Sicily, grumbled back to life on Monday, spewing hot ash and lava in a pyroclastic flow, the nation's volcano monitoring body said. There ...