Image: Barchan and linear dunes on Mars

On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes.

New NASA astronauts graduate, eying moon—and Mars

After two years of rigorous training, ten Americans officially became astronauts on Tuesday, and are now eligible for planned NASA missions to the International Space Station, the moon, and—if all goes well—to Mars.

NASA tests the new Starship docking system

The Apollo Program delivered 12 American astronauts to the surface of the moon. But that program ended in 1972, and since then, no human beings have visited. But Artemis will change that. And instead of just visiting the ...

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