Tech/AI

Laura Revell, an atmospheric scientist at the University of Canterbury in New Zealand, presented findings indicating that rocket emissions in the atmosphere …

The helium system aboard the SLS upper stage—formally called the Interim Cryogenic Propulsion Stage (ICPS)—worked well in both Artemis II countdown dress …

The political action committee dispatched partially pre-completed absentee ballot applications.The political action committee dispatched partially pre-completed absentee ballot applications.Feb 21, 2026, 4:55 …

The messages caused concern, but OpenAI chose not to inform law enforcement.The messages caused concern, but OpenAI chose not to inform law …

When dinosaur fossils emerge at a site, it is frequently hard to determine how many millions of years have passed since their …

One of the US government’s premier scientific research laboratories is moving to implement policies that could push foreign scientists out, a change …

Accessory ReviewsThe Nebula X1 Pro is an unexpected delight that I am thrilled to see on the market.Feb 21, 2026, 8:00 AM …

A second propellant-loading test on NASA’s Space Launch System rocket wrapped up Thursday night, giving senior managers enough confidence to proceed with …

Phil Spencer, Microsoft’s Executive Vice President for Gaming, said he will retire after 38 years with the company and 12 years leading …

Updated Today, Feb 21, 2026, 12:15 AM UTCAfter approximately 40 years with Microsoft, Xbox leader and CEO of Microsoft Gaming Phil Spencer …