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

Experts say the Ebola outbreak raging in Central Africa could be challenging to contain due to ongoing conflict in the region and a lack of vaccines and international aid.

A "foundational" study found that the brains of children with ADHD matured later, but that finding was likely a mirage tied to issues with how the children were followed over time.

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

Technology Artificial Intelligence Can AI really simulate human thinking? Research casts doubt on an influential study, suggesting an advanced model was just really good at memorizing patterns. A ...

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

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

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 ...

In all, 75% of Earth's species went extinct, including the nonavian dinosaurs. So how did some animals ‪—‬ including species ...

Researchers identified a new species of box jellyfish and recorded a surprising range expansion for the Thai sea wasp after analyzing the morphology and DNA of a handful of jellies in Singapore.

Last week, a common hormonal condition that impacts millions of people got a new name. Tell us what you think about the ...