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

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

Different species of spiders produce different silks that serve different purposes, from floating on air to cradling eggs. The triangle weaver spider, Hyptiotes cavatus, weaves and holds a three-sided ...

An online billing service named HarborCloud runs a browser callable REST API and the engineers must prevent web pages served from other domains from invoking those endpoints in a browser. Which ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

For the first time, an international research team led by the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy ...

Next week sees 25 new games and bundles heading to the PlayStation platform. Fast-paced 2D action-platformer where you step into the boots of a young knight on his very first adventure. Run, jump, ...