After nearly 15 years exploring the Red Planet, the Mars Exploration Rover mission has finally come to a close.
It'll take a new and innovative approach.
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Win a $100 shopping spree from My Science Shop. Find STEM products, globes, maps, posters and more.
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Astronomers detest a Russian startup's advertising proposal.
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Identify 31 elements with facts, figures, dates, and more!
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New look at a weird, blue rock.
Just six light-years from Earth, the second-closest star system to our Sun hosts a planet at least three times the mass of our own.
Jim Lovell relives the first Moon trip.
Dark, dusty skies.
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On December 5, 2020, join us as we set sail for 15 days aboard our privately chartered cruise ship. Learn more >>
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What's up in the night sky?
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What's the max gravity our bodies can survive?
Beneath Arizona's vast, clear skies you find some of most exciting astronomical destinations in the world. Learn more >>
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