US president said he thought Ukraine’s Zelensky was ready to concede the peninsula, which was annexed by Moscow in 2014.

Downing Street has welcomed the meeting between Donald Trump and Volodymyr Zelensky over the weekend as “undoubtedly good”.

Russian President Vladimir Putin has declared a three-day ceasefire in May in the war with Ukraine to mark the 80th ...

It is the second time in less than two weeks that the Russian president has called a halt to fighting without committing to a ...

In 2018, an astrophysicist introduced the Silurian Hypothesis, the idea that an advanced civilization may have existed on ...