This 2018 satellite photo shows an unknown substance swirling across the Gulf of Gdańsk in Poland. Scientists were shocked to ...

During the visit, researchers found unfamiliar-looking crabs, the study said. They took a closer look at the “distinctive” ...

Mezmaiskaya Cave, an area of more than 5,000 square feet, has been excavated since 1987, and the lower layers of sediment date to more than 70,000 years ago, according to a study published April 14 in ...

In the latest exchange, 205 prisoners of war have been returned from Russia and Ukraine, according to Moscow. The Kremlin's Ministry of Defence said the United Arab Emirates helped to mediate the ...