For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This ...

Eudoxus, Aristoteles, and Cassini craters are positioned near the lunar terminator during the first quarter moon, allowing their structures to be observed through telescopes tonight.

Clues buried in Moon dust are helping scientists revisit one of the oldest questions: where did Earth’s water come from? For ...

The Moon is a pretty peculiar object. It is believed that it formed from the incredible collision between the proto-Earth and ...

The huge 1,600-mile (2,500-kilometer) wide expanse of the South Pole–Aitken Basin extends considerably onto the far side of ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

China’s Chang’e-6 mission’s moon samples uncover naturally formed nanotubes once thought possible only in labs.

A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth’s history could have delivered ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for. Solar prominences and their associated ...

BEIJING -- Researchers have recently identified and confirmed the natural occurrence of single-walled carbon nanotubes and ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...