Elon Musk showed up in Wisconsin with two $1 million checks and a message that raised eyebrows on both sides of the aisle.

Something strange is happening beneath southern Africa. A vast underground structure may be slowly disrupting Earth’s ...

A mysterious structure spotted in the Pacific was first thought to be a long-lost shipwreck. What researchers found instead ...

A breathtaking image of Saturn has gone viral, racking up millions of views on social media. It's claimed to be the final ...