Image: The Niagara Falls of Mars

Various researchers are often preoccupied with the quest for flowing water on Mars. However, this image from NASA's Mars Reconnaissance Orbiter (MRO), shows one of the many examples from Mars where lava (when it was molten) ...

Dino-killing crater shows clues about Ice Age sea level

The massive underwater crater left by the asteroid that exterminated the dinosaurs has provided new evidence that sea levels were much lower during the last Ice Age, researchers said Wednesday.

Footprints of a martian flood

Water has left its mark in a variety of ways in this martian scene captured by ESA's Mars Express.

Image: SMART-1 views a cluster of the moon's craters

This image shows a crater-filled region in the northeastern part of the moon. Several features are visible here, including, to the left of the frame, the small Keldysh crater peeking into view. Below and to the right of Keldysh ...

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