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?

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

What's up with those machines?

Its pulsing, pounding, circus-like alien invasion may not be as widespread as it once was, but Blue Man Group is still blowing minds around the world. The current North American tour brings its one-of ...

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

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 ...

Watch scenes from the films nominated for best picture at the 98th annual Academy Awards, as well as interviews with the ...

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 ...

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 ...

In a distant part of our cosmos, an intriguing new world exists. This newly discovered exoplanet, identified as L 98-59 d, seems to play host to a rare type of planetary environment.