A decade after annexing Crimea, President Putin aims to further his Ukraine gains amid waning Western backing for Kyiv. While Putin's goals...

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

Evacuations from the port city of Mariupol were scheduled to begin at noon local time (10 a.m. GMT) during a 10 a.m. to 9 p.m. local ceasef...

Ten days after Russian forces invaded, the struggle to enforce the temporary cease-fires in Mariupol and the eastern city of Volnovakha sho...

The struggle to enforce the temporary cease-fire in the southeastern port of Mariupol and the eastern city of Volnovakha showed the fragili...

With fighting going on on multiple fronts across the country, Britain's Defense Ministry said Mariupol, a large city on the Azov Sea, was e...

With the Kremlin increasingly isolated by tough economic sanctions that have tanked the ruble currency, Russian troops advanced on Ukraine'...

Five days into Russia's invasion, the Kremlin again raised the specter of nuclear war, while an embattled Ukraine moved to solidify its tie...

The invasion began early Thursday with a series of missile strikes, many on key government and military installations. They were quickly fo...

In an hourlong Saturday call with Russian President Vladimir Putin, President Joe Biden said that invading Ukraine would cause "widespread ...

A peace agreement for the separatist conflict in eastern Ukraine that has never quite ended is back in the spotlight amid a Russian militar...

Ukraine and the West have become worried about the Russian troops' concentration and have urged Moscow to pull them back. Russia has argued...