To observe a SpaceX launch in person, as I did in February, is to witness a stunning and galvanic event. Two of the company’s greatest feats occur in quick succession. First, there’s the launch itself ...

During Apollo 13, a near-exact replica helped engineers solve a life-threatening issue. Today, NASA still uses spacecraft duplicates to troubleshoot problems. Iran responds to Trump's threat of ...

The company’s plan to build a major AI facility in Britain with 8,000 Nvidia chips has ground to a halt. The company shocked employees with 6 a.m. termination emails on March 31, cutting up to 18% of ...

SpaceX wants to put up to a million data centers in orbit. There are a few technological hurdles standing in the way. MIT Technology Review Explains: Let our writers untangle the complex, messy world ...

Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself. Gödel discovered a solution to General Relativity that actually permits time travel — no exotic ...

In a breakthrough that advances our understanding of solar activity and its impact on Earth, researchers from the Indian Institute of Astrophysics (IIA) have resolved a long-standing scientific puzzle ...