Our little lunar buddy in the sky is showing signs of compression brought about by Earth's gravity.
Our solar system has some prime locations (besides Earth) for alien life.
Caves and meteorite strikes and more! We've learned a lot since Apollo astronauts walked on the surface over 40 years ago.
The wake of a ship slices into the eye of an algal maelstrom in this image, acquired by ESA's Sentinel-2A satellite on Aug. 7, 2015.
Could a new space rock-hunting technique improve the odds of finding near-Earth asteroids?
Even a mild shock wave in the solar wind can suddenly amp up the equatorial electrojet and create localized magnetic storms.
Two shipments of Dove satellites never made it to orbit in recent months, but the company says it hasn't been unduly slowed down in its quest to map the world.
In TWO stunning orbital photos, a thunderstorm over Mexico generated two huge, red sprites reaching into space.
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