A Pennsylvania native will be part of a four-person crew flying on the next SpaceX Dragon launch. NASA says Allegheny County native and veteran astronaut Mike Fincke will make his ...

The object, now officially designated 3I/Atlas (previously known as A11pl3Z), is believed to have come from a distant star ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the exact moment the International Space Station passed directly in front of our ...