A mysterious Russian satellite, believed by US officials to support a nuclear anti-satellite weapon programme, is showing ...

The Cosmos 2553 satellite has had various bouts of what appears to be errant spinning over the past year. Read more at ...

Elon Musk has been called a Moonshot Master, the Edison of Our Age and the Architect of the Future, but he's got a big problem at his car company and it's not clear he can fix it: damage to its brand.

Scientists have launched a miniature lab into Earth's orbit, which contains microbes designed to produce proteins in space.

In a moment that underscores growing skepticism toward Ukraine’s handling of US assistance, billionaire tech mogul Elon Musk ...