Alien: Earth star, Timothy Olyphant, reveals that Season 2 will take the story for the prequel series' next chapter in a very ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

The deep ocean is home to one of the strangest phenomena on Earth: bioluminescence. Scientists estimate that more than 75% of ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

A rover on Mars can drill into ancient rock, heat a pinch of it, and read the carbon-based molecules that boil off. Several have done exactly that. None has been able to prove that anything alive made ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

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