Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Sohrab Rahvar and Shahin Rouhani’s recent paper, “Constraining the Lifespan of Intelligent Technological Civilization in the Galaxy,” lays it out bluntly: Advanced civilizations last roughly 5,000 ...

The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Recent media coverage highlights the wide range of research, education, and scientific perspectives emerging from the SETI Institute community. From teacher training programs that connect educators ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

For most of human history, the night sky has been a shared inheritance, a source of wonder. Now, more than a billion children ...

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...