Scientists in California have completed one of the first dedicated searches for signs of alien technology on 3I/ATLAS, the ...

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

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...