For starters, it will be the first launch of Starship — the biggest and most powerful rocket ever built — in nearly seven ...

The Perseverance Mars rover poses against a dramatic backdrop of ancient Martian terrain in a new selfie. When you purchase ...

You'll have to crane your neck just a little farther to look up at SpaceX's new Starship rocket. The company is gearing up ...

Earth watched on as a communications satellite deployed its big reflector more than 22,000 miles (35,400 kilometers) away.

A fast stream of solar wind could trigger G2 geomagnetic storm conditions overnight, boosting aurora chances across parts of ...

"This whole evil alien trope seems to me to be a mirror held back to how our civilization has interacted with itself." ...

The agency dropped a few details on Wednesday (May 13) about Artemis 3, a crewed mission that will test rendezvous and ...

"It's no secret that we intend to launch Starship a lot, targeting thousands of flights per year. That cadence will require ...

"The most expensive component is the space-based interceptor layer, which accounts for about 70 percent of acquisition costs ...

Researchers may have just revealed a new way of looking for alien life — it's based on the idea that it isn't just the type ...

But there was a time when middle-grade kids learned the rules of personal choice and were empowered to venture down ...

"The origins and acceleration mechanisms of ultrahigh-energy cosmic rays have been among the biggest mysteries in the field ...