U.S. President Donald Trump's "border czar" Tom Homan signaled the end of Immigration and Customs Enforcement's Operation ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 light years away in the constellation Leo, it's attracted a lot of attention ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Is a video that shows "Specimen 9X" at a place called the "Blackridge Containment Facility" in Nevada legitimate? No, that's not true: An online detection tool rated the video likely to be ...

As the U.S. Department of Homeland Security announced the end to its Operation Metro Surge immigration crackdown in Minnesota ...

Visit BBC for trusted reporting on the latest world and US news, sports, business, climate, innovation, culture and much more.