The space station and one other Easter egg — the site of NASA's next human moon landing — are hidden in this lucky photo.

The upcoming spring exhibition at San Francisco’s Exploratorium, opening Saturday, invites museum patrons to immerse ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

For over a decade, the Hubble Space Telescope meticulously observed our closest galactic neighbor, capturing over 1,000 ...