Hear from Ahilan Arulanantham, co-director of UCLA School of Law’s Center for Immigration Law and Policy, on when you need to identify yourself.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

The new directive asks workers to check the backgrounds of foreign nationals collaborating with the department’s scientists ...

NASA has temporarily stopped part of its investigation into possible signs of life on a faraway planet, after two years of ...

A local immigration attorney explains how an American citizen can interact with ICE agents when asked to prove their ...

The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

Erich von Däniken, who has died aged 90, was among the first writers to suggest that human civilisation, and even human ...

FOR three years, he was Britain’s very own Man in Black – and while the rest of us were watching The X-Files, Nick Pope was ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both fame and scorn, has died at age 90. Von Däniken’s representatives announced ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...