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 ...

NASA has selected Jeff Bezos' Blue Origin space venture to help it resurrect a mission to send a robotic prospector called ...

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

A new NASA-backed study suggests alien civilisations could eavesdrop on Earth's space transmissions, offering a new approach ...

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

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

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, ...

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

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