Many medieval castles were formidable stone fortifications. Live Science takes a look at six that were never conquered.

Cephalopods are members of a class of marine animals that includes octopuses, squid, cuttlefish and nautiluses. The group includes more than 800 species (and new species are still being found), ...

Dead seal pups on a Canadian island have been found with mysterious spiral-shaped injuries for years. The wounds were thought ...

Researchers have found that introducing human-made data into AI training can help to prevent AI model collapse.

El Niño is the warmer phase of the natural El Niño-Southern Oscillation (ENSO) climate cycle, a periodic shift in the waters ...

A new study finds that climate change is creating environments where humans have never successfully cultivated rice before.

The new 'mecha' robot, which weighs over 1,000 pounds and stands nearly 10 foot tall, is designed for urban mobility.

We have tested the Withings ScanWatch 2: this immensely stylish alternative to bulky, rugged smartwatches does a great job of ...

Trove of fossils discovered in Canada sheds light on "when life first became large, complex and unmistakenly animal." ...

Three Gorges Pilot, a 16-megawatt floating offshore wind turbine, marks a major step for deep-water renewable energy and the ...

Health officials suspect that an Ebola epidemic has killed 100 people in the Democratic Republic of the Congo, with the World ...

Astronomers have reconstructed the "skeleton" of the cosmos in unprecedented detail, thanks to the largest-ever survey ...