Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have gotten progressively longer as a result.

The official numbers are in: 2024 is the hottest year on record. Climate change is the main culprit. But there might be ...

Enigmatic planet Mercury posed for some closeups when the BepiColombo mission flew by. Craters, bright regions and volcanic ...

We are in store for an unusual celestial treat in January when six planets line up in the night sky across Texas.

This apocalyptic object, the Chicxulub impactor, slammed into the sea just off the coast of modern-day Mexico. From it, shock ...

By drilling 1.7 miles beneath the icy surface, the team has pulled a 1.2 million-year-old ice core from Antarctic bedrock.

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

Since New Horizons' close encounter with Pluto 10 years ago, experts have come to think of the dwarf planet as much more ...

Based on the history of life here on earth, at least one prominent paleontologist thinks that complex life in the cosmos is ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

Stunning pictures of Mercury have been published revealing the sunlit plains and possibly icy craters of the smallest planet ...