A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

On the heels of a year that brought a dazzling green comet, a rare sunrise eclipse, peak planet viewing, an interstellar ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

The year also features prime aurora viewing in January and two supermoons.

Digital illustration of the Solar system. Sun, Earth and planetary Moon, Mars, Jupiter, Saturn, Uranus, Neptune and the dwarf Pluto. A row of planets and a stellar nebula in outer space These ...

A remarkable cosmic event is about to occur when six planets align in the sky. This stunning alignment provides a unique opportunity for stargazers and astronomy lovers to experience a celestial ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For five consecutive mornings, beginning on Aug. 17, early ...