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

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

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

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...

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

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

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

For every "Alien" or "Event Horizon," there are dozens of lesser-known space horror movies that deserve much more love and ...

When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

In fact, polls in Australia, the US and elsewhere indicate around a third of the public believes aliens are here. However, while what we know about the universe suggests aliens may exist, there are ...