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

Millions across over twenty US states can witness the Northern Lights tonight, November 11-12, 2025. Powerful solar eruptions ...

Scientists at St. Jude Children's Research Hospital have created a database that provides updated predicted structures on a ...

With Draymond Green handling the ball and Steph Curry starting the play from the left elbow area, it was looking like the ...

Last month, an art festival in Reykjavík provided the art world with a much-needed opportunity to slow down and rediscover ...

Learn how advanced safety practices and precision techniques are shaping modern construction and fabrication in the power ...

The transition from aquatic to terrestrial life has been one of the most significant evolutionary challenges. This decisive process in the evolution ...

Game of Thrones is their most-watched series ever. No contest. But when you zoom in, it's not just the series as a whole, but ...

Panthers find new low in embarrassing play sequence to end first half down 19-3 Originally posted on Carolina Panthers on SI By Tim Weaver | Last updated Oct 26, 2025 2:43 PM ET ...

It’s a little after 6:30 on a brisk July morning in a stone hut high in the Italian Alps. A gently hissing wood fire is ...

The role of megafaunal exploitation in early human evolution remains debated. Occasional use of large carcasses by early hominins has been considered by some as opportunistic, possibly a fallback ...

Discover New OpenAI GPT-5.1 ChatGPT update—smarter, warmer, and more human. Explore how it transforms AI conversations with personalization. Learn more today.