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 ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

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

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

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

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

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

A violent, almost demonic alien race called the Furies first appeared in a series of Star Trek crossover novels published in 1996. Titled Star Trek: Invasion!, these four novels spanned the 23rd and ...

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

In the sixth episode of Star Trek: Starfleet Academy, “Come, Let’s Away,” the cadets on board the Athena meet a new alien adversary, one that comes across as truly terrifying. While out on a deep ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: 20th Century ...