OpenAI is releasing two new AI reasoning models today: o3, which the company calls its “most powerful reasoning model,” and ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

A n intriguing new study suggests that the universe may rotate once every 500 billion years. If correct, the authors believe that it could explain one of the most annoying puzzles in astronomic ...

The rotating model, which does not break any known law of physics, suggests the universe could spin around once every 500 billion years. This would be far too slowly to detect easily, but enough to ...

A new idea about cosmic expansion has emerged that might remove the need for dark matter and dark energy altogether.

Astronomers have discovered the most distant and thus earliest spiral galaxy ever seen, using the James Webb Space Telescope ...

We are streamlining some climate pages including removal of the Model Summary. From 10 December our climate information is available on the Southern Hemisphere monitoring and Southern Hemisphere ...