Russia's President Vladimir Putin rejected an invitation to meet from Ukraine's President Zelenskyy. NBC News' Keir Simmons reports.

Russian President Vladimir Putin on Friday rejected a proposal by Ukrainian President Volodymyr Zelenskyy for a face-to-face meeting on the four-year-old conflict, saying he sees "no point" in meeting...

"We see that the United States is fully focused on the issue of Iran, and it would be wrong to simply wait until the war in Europe returns to the center of its attention. Ukraine proposes ending this ...

NASA had five crew members on the International Space Station move to the space capsule docked to it in preparation for a repair effort to a worsening leak on the Russian side.

Astronauts on the International Space Station (ISS) were ordered to shelter in an attached spacecraft after the structure suddenly started leaking more air.

The cracks in the Zvezda service module's transfer tunnel, known as PrK, are the latest sign of aging infrastructure at the 26‑year‑old outpost, which has already weathered a separate coolant leak on ...