The Oura Ring is a fashionable take on a health tracker. We wore it for most of eight months to find out if it prioritizes style over substance. Abby Ferguson / Popular ScienceWe may earn revenue from the products available on this page and participate in affiliate programs. Learn more › The market is absolutely flooded with...

Similar activity will likely increase as the sun nears its 'solar maximum.'. Credit: NASA/SDO/AIA Earlier this week, NASA’s Solar Dynamics Observatory (SDO) recorded a rarely seen event—four nearly-simultaneous flare eruptions involving three separate sunspots, as well as the magnetic filament between them. But as impressive as...

Researchers used a hyperspectral camera to create images of 141 potatoes and inspect their firmness and dry matter content. Llez/Wikimedia Most grocery store patrons take for granted just what it takes to transport a humble sweet potato out of the ground and into a shopping basket. The slightly-sweet red root vegetable can come...

Mars' Inca City formation (left) is home to Martian ‘spiders’ every spring (right). ESA/DLR/FU Berlin (left) ESA/TGO/CaSSIS (right) It’s ‘spider’ season on the Red Planet. There are no actual spiders on Mars–that we know of–but arachnid-shaped black spots dot some parts of our celestial neighbor every spring. [Related:...

Eight passengers and a pilot can dive up to 200 meters in Triton’s new luxury submersible. Titron/Nick Verola When OceanGate’s under-tested Titan submersible went missing last summer, it captured the attention of millions worldwide. Authorities frantically scoured the North Atlantic Ocean for days only to eventually determine...

Brandt Ranj We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Nobody likes to think about why they’re beefing up their home security system, but it’s important to take some precautions against package theft (or worse) now that the technology is available and accessible....