Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

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

What's up with those machines?

A new study by the SETI Institute suggests that the alien signals might be right here, surrounding us all of the time, and we're just unable to pick them out.

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

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 ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

One sunny July morning, on a lake in Colorado’s San Juan Mountains, two scientists skimmed a black inflatable raft back and forth across the water. Isabella Oleksy, an ecologist at the University of ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien ...