A ring camera from a Southern California home captured an alien-like figure walking across a yard. NBC News' Camila Bernal spoke to some experts on whether they feel ...

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 ...

One tweet was all it took for Elon Musk to send historians and archaeologists into meltdown. His playful claim that aliens built the pyramids turned into a viral storm that blurred the line between ...

Add Yahoo as a preferred source to see more of our stories on Google. Five physical barriers may prevent civilizations from ever meeting, from light speed limits to cosmic timing gaps. (CREDIT: ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That observation, attributed to American physicist Richard Feynman, captures a tension many people feel when ...

Donald Trump pledged to release government records on aliens and UFOs if reelected. Trump's promise followed his criticism of Barack Obama for discussing his belief in aliens. A 2023 law already ...