Some animals can sleep with just half their brain at a time. Understanding this phenomenon can help us learn more about human ...

Ukrainians have learned to live without light or heating amid freezing winter temperatures as Russia strikes critical infrastructure, with daily life governed by rolling power blackouts.

As the war grinds on, sophisticated Russian defenses have pushed Ukraine to develop a frightening new weapon: semiautonomous ...

The attack appeared to have been inspired by white supremacist ideology, Telegram channels close to intelligence agencies reported. By Valerie Hopkins Reporting from Berlin A 15-year old student ...

At least four drones hit Filanovsky rig, says Kyiv official Step-up in Kyiv's campaign to curb Russian oil and gas output KYIV, Dec 11 (Reuters) - Ukrainian aerial drones struck a Russian oil platform ...

Ever wake up after *** full 8 hours of sleep and still feel completely exhausted? You're not alone. Turns out sleep quality isn't just about how many hours you clock. It's influenced by what you do ...