Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

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

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

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

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

If humans are ever to land on Mars, they will need somewhere to stay—a protective shell that can shield them from the sun’s harsh rays. One possible answer: great, glassy domes of ice. Mars is rich in ...

Abstract: The current Electron Cyclotron Resonance Ion Sources (ECRISs), constructed with Nb-Ti wires and the conventional racetrack-and-solenoid structure, have achieved operating frequencies up to ...

The goal of sending astronauts to the surface of Mars has been a major point of contention, with the likes of SpaceX CEO Elon Musk arguing that we should skip the Moon entirely in favor of the Red ...