A future eruption of the Yellowstone supervolcano or similar mega-volcano could bury large parts of the U.S. in ash, disrupt ...

GRIPPING my surfboard tightly, I got ready to battle the wave heading my way. But as the ocean swallowed me up and spat me ...

A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red Planet.

A Cape Cod astronomer is tracking T Coronae Borealis, a star system that's expected to go nova soon. Here’s what you need to ...

This is the first photo of Mars taken by the United Arab Emirates ... Fiery fountain. The eruption of Sicily’s Mount Etna — Europe’s most active volcano — led to some spectacular ...

A new study has found that such heavy metals may have formed through eruptions on a rare type of star called a magnetar.

the absence of plate tectonics makes it difficult to trigger eruptions that would send it back. It's likely a deciding factor in whether Mars can support life. Even as different planets may harbor ...

Jupiter and Mars shine in the evening, more planets gather in the morning, and the Eta Aquariid meteors join in.