A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

But as much as it’s easy to think all they need is oxygen and water for life to flourish, scientists have discovered that isn ...

Scientists combined lab radiation experiments, mathematical modeling and Curiosity data to ‘rewind the clock’ about 80 million years — the length of time the rock would have ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

Elon Musk’s ambition to one day settle Mars appears to have taken a back seat for a rather nearer and more achievable goal – ...

Baker’s yeast isn’t just useful in the kitchen — it may also be built for space. Researchers found that yeast cells can ...

A new study has revealed that the iconic Black Beauty meteorite contains much more hidden water than previously suspected. The rock, which fell to Earth from Mars, could reveal clues about the Red ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

A scientist argued that a Viking lander experiment in 1976 detected microbial life on Mars and urged NASA to repeat the tests ...