A new report warns that the number of soldiers killed, injured or missing in Russia's war in Ukraine could reach 2 million by ...

The Bulletin of the Atomic Scientists set the clock to 85 seconds before midnight, the theoretical point of annihilation.

The government is considering seeking bids to build as many as 10 pressurized heavy water reactors with a capacity of 700 ...

Melting ice sheets open up land and sea that were previously inaccessible, presenting new—albeit dangerous—opportunities. Never mind that as Greenland’s meltwater flows into the ocean, it could raise ...