Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

To call the system baffling is a bit of an understatement. This rare group of solar systems is exciting to find, though, because it can help us learn more about planet formation and planetary ...

The interstellar network is sustained by the explosive life cycles of stars that generate powerful solar winds. Past research ...

Astronomers have found a “very special” solar system with six planets that are locked in a strange rhythm. The worlds move around their central stars in resonance, locked in a rhythmic dance ...

A star system has been discovered to be moving at an estimated 1.2 million miles per hour, making it possibly the fastest moving solar system in our galaxy.

Mercury is the fastest planet in our solar system with a speed of 47.87 kms (107,082 mph). Venus is the second fastest planet in our solar system with a speed of 35.02 kms (78,337 mph) ...

And the long-lived storm is so large — the biggest in the solar system — that Earth could fit inside it. Although storms are generally considered unstable, the Great Red Spot has persisted for ...

NASA has a planetary defense project that identified possible threats in near our solar system that could cause another mass ...

Summer solstice 2021—when the Sun reaches its highest and northernmost point in the sky, stops, and starts moving southward—for the northern hemisphere is 03:32 tomorrow in Universal Time.