Irwin Stewart is one of the guides profiled in “Meet the Texperts! The State’s Best Tour Guides Want to Show You Around.” You don’t have to be a celebrity preparing for a movie about space to get a ...

NASA has uploaded a new guided tour to the Europa Trek portal. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's Europa Clipper probe is ...

Astronomers have discovered the most distant black hole yet seen in X-rays using two NASA telescopes, the Chandra X-ray Observatory and James Webb Space Telescope. The black hole is at an early stage ...