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

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

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

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

The mission is still in the early stages of its conception, with contracts given recently to firms.

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

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 ...

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

The International Raëlian Movement, also know as Raëlism, is a UFO religion that was founded in France in the 1970s. It is still practiced today, with its strongest followings in parts of Asia, Africa ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...