A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a ...

Just launching the satellites could cost between $161 billion and $542 billion, the Congressional Budget Office warned two ...

President Donald Trump's proposal would defund the 11-region Integrated Ocean Observing System — cutting off the buoys, ...

President Donald Trump has announced plans for a 'Golden Dome' missile defense system, with hopes of domestic manufacturing. Will Florida be involved?

Russia and Ukraine have exchanged hundreds more prisoners as part of a major swap that amounted to a moment of cooperation in otherwise failed efforts to reach a ceasefire.

Ukrainian startup Aerobavovna is making waves with a low-tech warfare solution: helium-filled aerostats balloons that extend ...

As Ukrainian drones strike deep into Russian territory, they are disrupting day-to-day life and reminding Russians that the ...