Rare comet lights up the sky, won't return for 80,000 years

A rare comet that won’t be seen for another 80,000 years is visible in the night sky through part of October.

Watch magical moment man proposes under dreamy purple aurora

The geomagnetic storm this week helped make the aurora incredibly vibrant, and brought Northern Light displays to much of the northern U.S.

Northern Lights put on dazzling show over Metro Detroit Thursday

A forecast from the Space Weather Prediction Center said there was a chance of seeing the aurora as far south as Alabama on Thursday and Friday night - and it did not disappoint.

Earth is getting a temporary second moon this fall

Earth will soon have a visitor — and not of the extraterrestrial kind. Astronomers found a small asteroid that will orbit our planet this fall, becoming a "mini-moon" temporarily.

Northern Lights return to Michigan this week

NOAA predicted the aurora borealis intensity between moderate and strong, with chances it gets upgraded to severe.

WATCH: SpaceX's Polaris Dawn crew completes first private spacewalk

Jared Isaacman, CEO of Shift4 integrated payment processing solutions, participated in the first ever private spacewalk by a group of astronauts who left a SpaceX capsule after a delay of a few hours, testing a new line of spacesuits in the company's riskiest mission yet.

Watch: Massive fireball wows onlookers in four states

A massive fireball stunned onlookers as it streaked across four states. Scientists are now on the hunt for pieces that may have fallen to the ground.

Here's when NASA's Starliner astronauts will finally come home – and how

NASA says it's not safe enough to let Butch Wilmore and Suni Williams fly the new Starliner spacecraft back to Earth, so they'll come home aboard a SpaceX Dragon capsule next year. Meanwhile, Boeing will suffer the ignominy of being bailed out by a rival.