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Interplanetary Earth

In an interplanetary first, on July 19, 2013 Earth was photographed on the same day from two other worlds of the Solar System.

The Hydrogen Clouds of M33

Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas.

Da Vinci Rise

An old Moon rose this morning, its waning sunlit crescent shining just above the eastern horizon before sunrise.

Sand Dunes Thawing on Mars

What are these strange shapes on Mars?

Animation: Spiral Disk around a Black Hole

What would it look like to orbit a black hole?

Zodiacal Road

What's that strange light down the road?

Astronomy Picture of the Day: A Cold River to Orion

Ice is forming on the river Lielupe as it flows through the landscape in this winter's night scene.

Astronomy Picture of the Day: InSight's First Image from Mars

Welcome to Mars, NASA Insight. Yesterday NASA's robotic spacecraft InSight made a dramatic landing on Mars after a six-month trek across the inner Solar System.

Astronomy Picture of the Day: Comet 46P/Wirtanen

Periodic Comet 46P/Wirtanen is now the brightest comet in the night sky, but too faint to be seen by eye.

Astronomy Picture of the Day: Orionids Meteors over Inner Mongolia

Meteors have been shooting out from the constellation of Orion. This was expected, as October is the time of year for the Orionids Meteor Shower.

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