NASA and SpaceX cleared their Crew-9 astronaut flight to the International Space Station for launch, a Sept. 28 liftoff that will help return two Boeing Starliner astronauts home.

Comet C/2023 A3 Tsuchinshan-ATLAS will reach perihelion — and if it survives its close call with the sun, we may be in for a real treat.

These three space-themed submissions on Lego Ideas have captured our attention, and deserve to be on store shelves.

A Chinese Smart Dragon-3 rocket launched from a sea-based platform on Sept. 23, carrying eight remote-sensing satellites to orbit.

Commercial Chinese rocket maker CAS Space completed its fourth solid rocket launch on Tuesday (Sept. 24), sending five satellites to orbit.

Comet Tsuchinshan-ATLAS will have a close encounter with the sun today (Sept. 27) here's how to make the most of comet viewing opportunities this weekend and beyond.