Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Scientists have found a hidden biosphere stretching miles beneath Earth’s surface and as deep as 6 miles below the seafloor.

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

The short answer is that there’s nothing to disclose. But that doesn’t mean we won’t make contact with extraterrestrial life ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...