A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

E.T. the Extra-Terrestrial was a global phenomenon that spawned many knockoffs, with films like Purple People Eater, Badi, ...

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

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

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

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

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

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

Some frogs have evolved features so strange that scientists struggle to explain them, and a few look less like amphibians ...

The planet Mars is home to many wonders waiting to be discovered by humans in the coming years. Experts recently discovered ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

Reactions asked, "What are we even doing?" after a judge blocked Trump's order creating a database to ensure non-citizens can't vote.