Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

A mind wrapped in skin and bone can feel like the obvious model for consciousness. But that assumption may say more about ...

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

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

The scientific search for extraterrestrial life is almost entirely focused on biosignatures, radio signals, and microbial ...