NASA is still working to define the details of Artemis 3, but the agency has made some progress, as Wednesday's announcement ...

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.

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

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 ...

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

Dragon is loaded up with about 6,500 pounds (2,950 kilograms) of supplies, hardware and scientific experiments for CRS-34.

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

To the right of Markarian's Eyes are the two bright elliptical galaxies M86 and M84, which were discovered by famed ...

Observational evidence is being gathered that the ablation of space debris can be detected by ground-based light detection ...

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

For 10 seasons, Tom Welling's Clark Kent stood for truth, justice, and teen melodrama on "Smallville".