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 ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

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 ...