Darth Vader's lightsaber, used to chop off Luke Skywalker's hand in Star Wars classic The Empire Strikes Back, has gone on display in London, ahead of its US sale next month.

Sam Altman posted a picture of the Death Star, a powerful planet destroyer from the sci-fi franchise “Star Wars”, with no accompanying text, just a day ahead of OpenAI's likely unveiling of its GPT-5 ...

Australian authorities say the Great Barrier Reef has seen its greatest annual loss of live coral across most of its expanse ...