Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

Colossal Laboratories & Biosciences, which has produced a trio of modern-day dire wolves and the woolly mouse, seeks to bring back extinct species.

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A .

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

President Donald Trump says he’s directing the Pentagon and other government agencies to identify and release files related ...

Get the latest news and information on genetic engineering and biotechnology including analysis, features, webinars, podcasts ...

Former US President Barack Obama said he’s seen no evidence that aliens have made contact with Earth, clarifying his position on extraterrestrials after comments he made in a podcast went viral.

This four-month investigation was supported by a Kozik Environmental Justice Reporting grant funded by the National Press Foundation and the National Press Club Journalism Institute. It was also ...

San Antonio's transit agency will close vehicle lanes and intersections over the next two years as it builds out the 10-mile rapid bus route.