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

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

So if you’re needing your alien fix this week, here are the five best alien movies worth adding to your Netflix watchlist. It ...

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

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

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

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Steven Spielberg's claims of alien visits to Earth spark debate among scientists, who stress the lack of credible evidence ...

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars ...

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