Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

"You never got to see Luke as a Master Jedi at the peak of his powers," Hamill noted. "He was the most idealistic character ...

Apple's promise of 24-hour battery life isn't an idle boast. All three models break the record for their line.

As electricity costs in Kenya continue to rise and the country pushes toward greener energy, many households and businesses ...

In the coffee shop on our campus, students gather around a blackboard. On the table lies an open copy of Lobachevsky’s Theory ...

Millwall had a strong penalty shout for a foul on Macaulay Langstaff turned down before Lions keeper Steven Benda pulled off ...

Oxford United clinched their first Championship win of the season, frustrating in-form Bristol City to move out of the bottom ...

Tipping talked about adapting the film’s original script by Skip Bronkie and Zack Akers and exclusively confirmed to io9 that ...

Hybrid relays combine a mechanical switch with a solid-state switch, and they are set up in parallel to control a single load ...

A show at the Met reveals not just the wonders of the artist’s rayographs—photographs taken without a camera—but the ...

Tottenham fought back from two-goals down to secure a deserved point against Brighton. The Seagulls were second best for much ...

Mashable looks into three of the most popular AI-powered chatbot tutors and whether they actually make learning easier.