Astronauts seem like the buttoned-up type since their very lives depend on getting every detail right. That didn't stop John ...

Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations ...

Arizona is an ideal spot to see the Milky Way thanks to its numerous dark-sky places. Here's the best time to see - and ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...