It should not be possible for a man wearing fake pointy ears to look cool. But on Leonard Nimoy’s birthday last month, some ...

Two newly registered federal website domains – Alien.gov and Aliens.gov – are drawing attention after records showed they were created this week by a U.S. government agency, fueling speculation as ...

Aalo Atomics has held a ceremony to unveil its completed Critical Test Reactor at the Idaho National Laboratory. The company said it expects the reactor to achieve criticality "well before" the 4 July ...

New designs mean new strategies for managing spent fuel. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you understand what’s coming next. You ...

Aliens have invaded the news again. Last month, two US presidents weighed in on the topic in rapid succession, managing to make a public that was already obsessed with extraterrestrials even more so.

We may have been missing signals from intelligent aliens because of solar wind. Researchers from the Search for Extraterrestrial Intelligence (SETI) Institute say this means we have been watching for ...

Bill Gates’s nuclear energy startup TerraPower has just cleared a regulatory hurdle that the U.S. nuclear industry has been waiting years to see. On March 4, the Nuclear Regulatory Commission granted ...

TerraPower’s project in Wyoming, which uses novel technology, is the first new commercial reactor to receive federal approval in nearly a decade. By Brad Plumer Reporting from Washington A novel type ...

The Nuclear Regulatory Commission (NRC) on March 4 authorized staff to issue a construction permit for TerraPower’s Kemmerer Power Station Unit 1 in Kemmerer, Wyoming—the first commercial reactor the ...

Energy Secretary Chris Wright, center, and Under Secretary of Defense Michael Duffey, left, listen as Isaiah Taylor, CEO of Valar Atomics, discusses a microreactor developed by Valar to generate ...

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 ...

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. Obama ...