BepiColombo will arrive in 2026 to uncover the planet Mercury, and unravel how a planet as small, dense, and in such an odd ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

Interstellar comet 3I/ATLAS is reshaping planetary defence, with its unusual "anti-tail" and unexplained non-gravitational ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

Hubble reveals the largest planet-forming disk ever seen, Dracula's Chivito, showing a chaotic and uneven environment around ...

The University of Arizona's OSIRIS-APEX spacecraft only made it home once in 2025, but at least it got some nice snapshots ...