A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be unexplained flying objects. These file dumps were the culmination of a ...