Have you ever wondered how clouds stay in the sky? Here's your answer, and by the way, the weight of an actual cloud might ...

Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky.

Donald Trump has spoken about talks in the Saudi city of Riyadh today as efforts to end the Ukraine war continue. Volodymyr Zelenskyy has also given a revealing interview. Follow the latest ...

That's all for our live coverage today, but we'll be back with more updates and analysis tomorrow. If you're just checking in, here is a recap of the key developments today: The US and Russia held ...