Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Astronomers propose finding alien civilizations by searching for unusually cold stars that could be surrounded by Dyson swarms—energy-harvesting structures first proposed by Freeman Dyson.

NASA-funded research suggests that space weather phenomena could be distorting potential extraterrestrial signals, making them difficult to detect.

A look at the possible effects of alien food, drink, and microbes on us or our ecosystem.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Image: Conceptual illustration of a possible signal from an alien civilization reaching Earth.Detecting such signals — or their physical traces — requires advanced instruments, AI-driven analysis, and ...

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

A recent SETI Institute study suggests that space weather, like stellar winds and plasma bursts, could be scrambling alien radio signals before they reach us. This makes it tougher for scientists to ...

In space, no one will hear you learn life lessons about being a good person.

A Russian FPV drone was destroyed after an encounter with a weird new Ukrainian weapon. Is this a high-powered laser or ...