Senior Kremlin officials, including Putin, have repeatedly demanded that Ukraine surrender Donetsk, Luhansk, Zaporizhzhya and ...

Donald Trump is set to speak to Vladimir Putin by phone Tuesday, with the US president already making clear he is ready to discuss what parts of occupied Ukraine that ...

The Euclid satellite is a six-year mission to map the universe's structure by observing billions of galaxies, aiming to shed ...

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map ...

US President Donald Trump and Russian counterpart Vladimir Putin began a critical phone call on Tuesday, with the White House ...

Donald Trump and Vladimir Putin agreed Tuesday on a halt in Russian attacks against Ukrainian energy targets -- but fell far ...

Donald Trump and Vladimir Putin held a critical phone call on Tuesday, speaking for at least an hour and a half on a Ukraine ceasefire plan that could involve forcing ...

A recent study published in the Journal of Archaeological Method and Theory shed new light on the extent and organization of the El Argar civilization, which flourished over 4,000 years ago in what is ...

Chinese state media has welcomed Donald Trump's move to cut public funding for news outlets Voice of America and Radio Free ...