A rare planetary alignment is lighting up the night sky—here’s how to see it
Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...
This asteroid may hit Earth in 2032. Don't panic—scientists have a plan.
Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.
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Life probably exists beyond Earth. So how do we find it?
This story appears in the March 2019 issue of National Geographic magazine. In her office on the 17th floor of MIT’s Building 54, Sara Seager is about as close to space as you can get in ...