Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.

Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate movement at intersections.

A tiny metasurface chip can turn invisible infrared light into steerable visible beams, opening the door to powerful new ...

WOH G64 has always been an oddball. It sits in the Large Magellanic Cloud, a small galaxy that orbits the Milky Way, and it ranks among the most extreme red supergiants known.

LG has introduced its new OLED TVs. We conducted initial measurements in a hands-on and found noticeable improvements in ...

BIOPIX, a retina-inspired biohybrid image sensor combining biological liquid environments with organic electronics to ...

Half a billion years ago, the first true eye emerged in Earth’s oceans. Fossils now reveal what that ancient crystal vision could actually see.

Nothing's Phone 4a appears in a fresh baby-pink shade with matching internal accents and a redesigned Glyph Bar ahead of its official March debut.

It happens to the best of us. You water faithfully, you rotate your plant toward the light, you talk to it on occasion, and yet something still feels off. The leaves are not quite right. The growth ...

The Indianapolis community is mourning Beech Grove police officer Brian Elliott, who was killed in the line of duty Feb. 16. A Facebook group encouraged residents to turn on blue lights to show ...

The same report that first mentioned the red iPhone 18 Pro also said that for the first folding iPhone, Apple will “stay away ...

When your home feels off, the instinct is often to add something new, since novelty can temporarily improve your mood. Buying ...