From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

Pandora Mission will attempt to capture the atmospheric conditions of 20 planets as they eclipse their respective suns, an ...

NASA’s search for life beyond Earth is no longer a distant dream but a coordinated campaign that now stretches from Martian ...

Today, Mars is known as the red planet, for its rust-colored desert landscape. Once upon a time, Mars was a very different ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ...