A Dec. 28, 2023, Facebook post (direct link, archive link) claims humanity's basic understanding of the solar system is flawed. "They say the sun is 400 times larger than the moon and that it only ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

On this scale a circle two and a half miles in diameter would include all the members of our solar system; but on this scale the nearest fixed stars would be nearly as distant as is our moon. The ...

Pictures of the International Space Station as it passes in front of the Sun or Moon are a bit of a feather in the cap of ...

The population suggested by 2017 OF201’s discovery potentially hundreds of its kind could total 1% of Earth’s mass, comparable to the Moon’s mass and redefining the solar system’s tally.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

At nearly 3,300 miles in diameter, Ganymede is also the solar system’s largest moon—bigger even than the 3,030-mile wide planet Mercury. But that doesn’t mean it’s impervious to a pounding.

Recent research suggested the first and only moons seen around planets outside the solar system didn't actually exist; now, the scientists who initially found them are back to defend their discovery.

'Giant Impact' 20x Size of Dino Killer Shifted Solar System's Largest Moon. Published Sep 03, 2024 at 5:00 AM EDT. By . Tom Howarth is a Newsweek reporter based in Bristol, U.K.

The moon will drift far enough from Earth that it no longer fully obstructs the sun. But predicting when this will happen poses numerous challenges. By Katherine Kornei The total solar eclipse ...