Valerie Ransone, an elusive White House worker, is at the centre of renewed claims that she received messages from extraterrestrials, raising questions that remain unanswered decades later. Valerie ...

If intelligent aliens are out there, why aren’t we hearing from them? Are they silently observing us like zoo animals, or staying quiet out of fear that they’d catch the attention of a bloodthirsty ...

Before entering hypersleep aboard the USCSS Covenant, several members of the crew record final messages for their loved ones at home. Daniels tells her father how excited she is to be colonizing a ...

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 ...