How to check if your at-home COVID test has expired
Your antigen test may have gotten a new lease on (shelf) life.
Your antigen test may have gotten a new lease on (shelf) life.
Machine learning shows that even existing batteries can charge safely and speedily if you treat them right.
Free tests can still be obtained at several federally-funded community sites and health clinics across the US.
Environmentalist Dave Dempsey explains how human action (and inaction) made the iconic lakes the way they are today.
The un-crewed Artemis 1 mission is postponed until September 2 at the earliest.
A new scoring system looks at the pros—and cons—of introduced wildlife to consider if they should be removed.
The region is warming, and the military wants a ride that can handle all types of terrain.
The mirror-studded camera is designed to take glamor shots of quantum physics experiments.
When an internet-famous Steller’s sea eagle turned up roughly 11,000 kilometers from home in late 2021, birders flocked to catch a glimpse.
For when you feel like listening or watching something completely new.
It costs $2 million and will do zero to 60 in just 1.85 seconds. Here's how they developed it—and what it's like to drive.
The U.S. military had 32 nuclear accidents during the Cold War, and several nuclear weapons remain unaccounted for.
The Samsung Galaxy Z Flip4 is all about flip-phone nostalgia.
Let's compare the flying assassins in ‘House of the Dragon’ to real-life lizards and dinosaurs.
Duolingo's app made learning languages fun. Now it wants to do the same—for math.
Swapping drones for gas trucks to deliver small packages could be a win for the planet.
A construction project led to a remarkable sauropod discovery.
A redesigned Spaces feature will automatically suggest 'compelling podcasts' to users.
Scientists used transmission of light to determine the makeup of the gas giant's atmosphere.