The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

Giant atoms, artificial atoms larger than the interacting wavelength of light, exhibit decoherence-free behavior, but what ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

An amateur photographer in Portland captures rare images of interstellar Comet 3I/ATLAS using a smart telescope as the ...

Officials were told to hunt down 'extraterrestrial' tech so they could copy it on the battlefield, according to secret declassified files ...

Wu designed and executed an experiment that questioned — and then disproved — the infallibility of parity. After freezing a ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

It might seem worlds away from the Earth we know. But can "Star Trek" teach us anything about the economics of our own ...

A mysterious visitor from beyond our solar system is defying expectations and igniting fierce scientific debate as it hurtles ...

Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a particle physicist on a new world tour with a ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

The fundamental nature of living things challenges assumptions that physicists have held for centuries.