This has been litigated across the country. It's only a matter of time before this issue finds its way to the U.S. Supreme ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

Since the early 1960s, the search for extraterrestrial intelligence (SETI) has sought evidence of advanced civilizations elsewhere in the cosmos. However, astronomers may have missed any signs of ...

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 ...

Why is there such resistance to the acceptance that there is alien life that is much more physically evolved and incomprehensibly more technologically advanced than us? Common sense tells us the ...

“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 ...

Artificial intelligence detectors are increasingly used to check the veracity of content online. We ran more than 1,000 tests and found several strengths and plenty of weaknesses. By Stuart A.

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...