The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been much wetter than previously thought.

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

Visiting Space Coast, Florida? Tourists may want to see a launch from NASA’s Kennedy Space Center or Cape Canaveral, an hour ...

Black Sand Beach at Vik, Iceland Volcanic eruptions are the primary force behind the formation of black sand beaches. When a volcano erupts, it spews out lava, which flows down toward the ocean or ...