Planets

A new analysis of Kepler data shows that one-third of small stars called M dwarfs may have the potential to host life.

Here's how to watch the Red Planet swoop across the Beehive Cluster — one of the closest star clusters to Earth — after sunset this week.

A polar cyclone is swirling on Uranus, further showing that the planet's atmosphere is a hive of hidden activity.

The James Webb Space Telescope took its first close look at a "mini-Neptune" — the most common type of planet beyond our solar system — and found signs of water.

The discovery of 62 'irregular' moons orbiting Saturn brings the planet’s total to 145 — and hints at a chaotic past.

The rover spotted a tiny Martian rock that looks eerily like a fossilized book on the surface of the Red Planet.

A reanalysis of Voyager data suggests that four of Uranus moons may have oceans tucked between their cores and icy crusts.

Astronomers have spotted a bright flash of light from a Jupiter-size world being consumed by its own star in a preview of Earth’s likely fate.

Data from China's unresponsive Zhurong rover suggests that Mars had snow and frost as recently as 400,000 years ago.

A satellite from the United Arab Emirates revealed that Mars' moon Deimos is made of the same material as the Red Planet itself, hinting at an ancient collision.