Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

Astronomers have identified a colossal exomoon candidate roughly seven Neptune masses orbiting the giant world HD 206893 B — ...

A pattern in the movements of a brown dwarf that orbits a Sun-like star is likely to be caused by a moon. If confirmed, this would be the first exomoon, that is a moon orbiting a planet that in turn ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

December’s full moon will reach peak brightness on Thursday, but it will look striking for the next few nights—especially ...

For Aditya-L1, India's first solar observation mission in space, the year 2026 is expected to be like no other. It's the ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

NASA launches TRACERS satellites to reveal how solar energy penetrates Earth's magnetic shield and triggers space storms.

Early this year, a surprise space rock made headlines around the globe when the International Asteroid Warning Network ...

December's "Cold Moon" rose on Dec. 4 as it neared its closest point to Earth in its monthly orbit. The final full moon of ...