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

The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.

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

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...

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 ...

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

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...