7 Spacecraft NASA Has Landed on Mars
The Viking I lander touched down on Mars on July 20, 1976. It was just the first of many NASA missions to the red planet.
The Viking I lander touched down on Mars on July 20, 1976. It was just the first of many NASA missions to the red planet.
The Opportunity Rover turned to see the vortex forming in the valley below.
Its mission is to find "biosignatures," or scientific markers of life.
Jessica Meir, Anne McClain, Christina Hammock Koch, and Nicole Aunapu Mann were selected from more than 6000 candidates for the astronaut program.
This could be what Martian colonies of the future are made of.
The rover took a series of beautiful high-resolution images of the ripples and crests of the dunes.
The red planet's largest moon may eventually crumble into a ring of debris.
Even if we can, that doesn't mean we'll want to.
The gravity on Mars pulls Phobos closer every year, and the brittle moon is barely holding itself together.
Details—and the big-picture takeaway—from the latest research on Mars's atmosphere.
Studying Mars' atmosphere can help us to understand how the red planet's water disappeared.
Student scientists have dreamed up a space moss to use in astronaut medicine.
It's thanks to a treaty we signed in 1967.
After a moment of disbelief ("I said, 'The Ridley Scott?!’"), James Green, director of NASA’s Planetary Sciences Division, didn’t hesitate. “I said, ‘Yes! I’ll clear my calendar!’”