A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent moon form a celestial smirk near the horizon.

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and ...

Stargazers who turn their eyes skyward — and use a little bit of imagination — will have a chance to spot a rare “smiley face” in space later this month.

Comedians have long used jokes to raise awareness of serious problems, and many are now turning the gaze to climate change.