How scientists discovered that unique Scottish rocks record when Earth was first encased in ice.

Scientists offer clues about what it is and where it came from.

A philosopher of science explains how the industry could explore other planets without exploiting them.

The recent discovery of a large cave on the Moon highlights the importance of caves not just for future space explorers but astrobiology as well.

In 1958, Soviet astrophysicist Nikolai A. Kozyrev claimed there was an active volcano on the Moon. Dutch American astronomer Gerard P. Kuiper begged to differ.

Meteorites that come from Mars help scientists understand the red planet’s interior.

For many years, the Cassini probe to Saturn provided a stable research platform that scientists used to transform our understanding of the ringed planet.

This research team is working out how to detect extraterrestrial cells in the liquid water ocean hidden beneath Enceladus’s icy crust.

On the historical hunt for the origin of the enigmatic green line in the spectrum of the aurora borealis.

IceCube scientists have detected high-energy tau neutrinos from deep space, suggesting that neutrino transformations occur not only in lab experiments but also over cosmic distances.