Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Gain access to all articles, ad-free browsing, exclusive content, The Vault, and other benefits!

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

YOUNGSTOWN, Ohio (WKBN) – If you have thought that the Earth is close to the sun in the summertime and that is why it is ...

Summer is here, and Mercury goes retrograde from July 17 until August 11 — the retrograde begins after the full moon lunar ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

A recent study has uncovered a dramatic interaction between a planet and its parent star that is reshaping our understanding ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.