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

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 Catholic nun is sounding the alarm over the growing fascination with aliens, warning that alleged encounters could have ...

Extraterrestrial life is life that may exist and originate outside the planet Earth, the only place in the universe currently known by humans to support life. Its existence is currently purely ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth. When you purchase ...

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

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

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 ...

Steven Spielberg's new film “Disclosure Day” explores extraterrestrial life and its impact on religion. UFOs, now also called ...

In 1944, 29 reindeer were introduced to St. Matthew Island for emergency food. Without predators, the herd exploded to 6,000.