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Moscow's forces have advanced in Ukraine's Zaporizhzhia region, as the U.S. and Russian leaders are expected to speak on Tuesday.

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

At the height of their offensive, Ukrainian forces controlled some 500 square miles of Russian soil. Now they hold just a narrow strip of land along the border. By Matthew Mpoke Bigg Ukrainian ...

Using advanced artificial intelligence (AI) techniques, they trained a neural network to model the dust’s effect on starlight ...

BEIJING -- Chinese and foreign astronomers have unveiled the first three-dimensional map of the properties of interstellar ...

KYIV - A widely-used online Ukrainian battlefield map appeared to show Ukrainian forces no longer in control of the town of Sudzha in Russia's Kursk region on Wednesday. The Deep State map ...

Talks in Moscow with a U.S. special envoy indicated that Russia was keen to keep negotiating with the United States over Ukraine. By Anton Troianovski and Maria Varenikova Reporting from Berlin ...

Following a checkout period lasting one month, the observatory – which measures 8.5 feet tall, 10.5 feet across, and weighs 1 ...

Ukrainian forces are under intense pressure in Russia's Kursk region, where they grabbed a chunk of land last August and have ...

Russia can "collapse NATO" and inflict "humiliation" on the UK by making one strategic move, a leading member of the Defence Select Committee has warned. Mike Martin MP, who is also on the ...