Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

This week in science: The Sun is flaring up unexpectedly; a 60-year diabetes mystery may finally be solved; the oldest human ...

NASA’s task order is worth up to $190 million for what would be the Jeff Bezos-owned company's second Commercial Lunar ...

The president's budget request called for about a 20 percent cut, overall, to NASA's budget, at a top-line level of $18.81 billion. By contrast, the House budget proposes to keep funding levels nearly ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

So do China and Russia. Here’s what you need to know about America’s new lunar-energy race ...

NASA has revived a robotic lunar rover mission by selecting Blue Origin to deliver it to the moon’s south pole in 2027.

Chants of "Save NASA!" echoed through downtown Washington, D.C., Monday (Sept. 15) as agency workers and supporters rallied ...

But the claim that NASA announced found life on Mars was false. NASA announced it found promising evidence of potential ...

The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected ...

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...