Oil prices are spiking again, this time because of the war unfolding in the Middle East. What would happen, however, if we could end our reliance on oil for good? People have been ...

Russia and China can black out military satellites in seconds. A Latvian startup says nuclear-waste generators using 5x less fuel could keep satellites—and lunar bases—running.

See where classics like "The Incredibles," "Finding Nemo," and "WALL-E" rank alongside newer fare like "Soul," "Onward," ...

Three years ago, in the waters of the Mediterranean Sea, the passage of an "ultra-energetic" cosmic neutrino was observed—the ...

The Iran war is shaking the global energy system and with it Earth's climate future. Some experts are hoping that rising energy prices and disruption of shipping will encourage countries to ditch ...

The reason we haven’t heard from aliens could be remarkably simple: interstellar communication is hard, and turbulent plasma emitted by stars makes it harder. A new study proposes that when listening ...

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

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

A UFO row erupts as US congressman claims an intelligence insider warned he could be killed for probing alien secrets, sparking renewed public debate.

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

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

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 ...