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

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

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

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, detecting in an alien ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Humanity may be one step closer to finally answering the question of whether we're alone in the cosmos with a definitive "no." A ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When Nikku Madhusudhan, a professor of astrophysics at the University of Cambridge, addressed his audience during a live-streamed presentation about his possible detection of life on another planet, ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

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