Musk, who leads SpaceX, Tesla and Twitter, has become the most dominant player in space. Yet faced with little regulation and oversight, hi...

It was the first such episode since Russia's invasion of Ukraine just over a year ago. The Black Sea is bordered by Russia and Ukraine, amo...

While their advance has been much slower than Moscow expected, Russian troops have expanded their control beyond the 43,000 square kilometr...

Defending the east has come at a high cost for Ukraine, with President Volodymyr Zelensky reportedly admitting that up to 100 Ukrainian sol...