Rwanda said Saturday it was counting on Russia training its citizens to become specialists in nuclear energy, as the African country bets on nuclear power to boost its energy supply.

The B-52H has an unrefueled range of 8,800 miles, and can deliver 70,000 pounds of nuclear or conventional ordnance, including bombs and missiles.

Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision ...

Scientists demonstrated a new way to use high-energy particle smashups at the Relativistic Heavy Ion Collider (RHIC), a world ...

Firing the defense minister because of a political need to pass legislation dismissing the ultra-Orthodox from army service ...