Ambitious plans for lunar bases and Martian habitats present unique challenges, especially in coordinating time across ...

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

This week, explore the latest chapter of the new moon race, uncover extinct creatures that may be revived, get up close with tiny seahorses, and more.

Engaging articles, breathtaking images and expert knowledge ...

Pandora, a small satellite mission poised to provide in-depth study of at least 20 known planets orbiting distant stars to determine the composition of their atmospheres cleared an important milestone ...