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

The bright morning star Venus crosses from Aries into Taurus, closing in on Uranus for a conjunction later this week.

The inner solar system is a lot calmer than it was 4 billion years ago, during what’s known as the heavy bombardment period. Over the course of that violent stretch, which lasted about 500 million ...

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...

Jake Paul, ahead of his next boxing match this Saturday, got into a verbal sparring match with host Piers Morgan on Thursday ...