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 ...
It's one of the biggest unanswered questions in science: if there's life beyond Earth, why hasn't it contacted us yet? Now, a scientist claims to have the answer – and it suggests aliens are more ...
Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial civilisations. People around the world have wished for the day we discover an ...