Artemis 2 mission operators at NASA are preparing the Space Launch System (SLS) rocket for it's last critical test before launch. The SLS wet dress rehearsal will simulate a mission countdown for ...

With an orbital period around one year, much like Earth's 13-hour transit duration, HD 137010 b tantalises as Earth 2.0.

SpaceX is scheduled to launch a Falcon 9 rocket from California on Thursday, Jan. 29. Here's how to watch a livestream.

Melanie Vickers, of Charleston, West Virginia, was one of 114 teachers in NASA’s Teacher in Space program. One of the ...

This rare alignment unfolds low in the western sky during twilight, 30-45 minutes after sunset, where the brilliant white glow of Venus meets the subtler orange-white shimmer of Mercury.