The universe may be filled with alien civilizations — but the laws of physics could make meeting them nearly impossible. Interstellar space is not empty. At relativistic speeds, even single hydrogen ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

Spread the loveThe quest to uncover the mysteries of extraterrestrial intelligence has captivated humanity for decades. The ...