Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

The alien-like machines, described as ‘legged metamachines’, are built from autonomous modules that can be snapped together in a variety of forms. Researchers say the approach could lead to robots ...

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

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien ...

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 ...

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

Defense Secretary Pete Hegseth speaks during a visit to Sierra Space in Louisville, Colorado, on Feb. 23, 2026. Defense Secretary Pete Hegseth speaks during a visit to Sierra Space in Louisville, ...

Defense Secretary Pete Hegseth offered an update on the Trump administration’s plans to release government files related to extraterrestrial life and unidentified flying objects (UFOs). Last week, ...

Defense Secretary Pete Hegseth speaks during a visit to Sierra Space in Louisville, Colorado, on Feb. 23, 2026. Credit - AAron Ontiveroz/Denver Post—Getty Images Defense Secretary Pete Hegseth said ...

The search for 84-year-old Nancy Guthrie has now reached day 20. Guthrie, the mother of NBC “Today” show host Savannah Guthrie, vanished from her home in the Tucson area, and investigators believe she ...

Add Yahoo as a preferred source to see more of our stories on Google. Maryland leaders gave an update Wednesday on the plan to bring a Sphere to National Harbor. The Sphere is set to receive around ...

WUSA-TV Washington, D.C. Posted: February 19, 2026 | Last updated: February 19, 2026 Maryland leaders gave an update Wednesday on the plan to bring a Sphere to National Harbor. The Sphere is set to ...