Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...

Earth may briefly capture as many as six moon fragments — called minimoons — at any given time before they move on to orbit ...

Titan is unique in our solar system: it’s the only world besides Earth known to have stable liquids on its surface.

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

The habitable zone will expand to 10-50 AU, potentially making some outer solar system moons more temperate. While gas giants might survive the Sun's expansion, ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid ...

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

Astronomers have confirmed the discovery of an "interstellar object" named 3I/Atlas passing through the inner solar system.