As of Friday (Aug. 15), there are 7 people aboard the International Space Station: Expedition 73 commander Sergey Ryzhikov of ...

The Milky Way galaxy glows alongside the zodiacal light over the Cerro Tololo Inter-American Observatory (CTIO) in Chile.

Hubble has captured the faint beauty of NGC 45, a spiral galaxy in Cetus whose glowing pink star-forming clouds reveal hidden ...

Six planets are hanging out in the sky this month. It’s what’s known as a planetary parade and it’s the last one of the year.