Military submarines use red light instead of fluorescent or other light types for specific, scientific reasons. Here's ...

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

In 2016, construction of the High Energy Laser Beam Control Research Testbed (HBCRT) was completed by the NPS research team.

Donald Trump has signed three executive orders green-lighting trade tariffs against China, Mexico and Canada. The tariffs are worth up to 25 per cent on all imports to the US - and could be just the ...

As recently as July, the Brazilian navy had told Brazil’s O Globo newspaper that it could not confirm whether the hulk lying 45 kilometers (28 miles) from the coast was indeed the ship in question.

A US Navy destroyer operating in the Red Sea last year used its five-inch deck gun to shoot a Houthi drone out of the sky, a top commander revealed this week. The American destroyer, USS Stockdale ...

If conditions are optimal, the northern lights could be seen as far as 620 miles away. Solar weather events like solar flares or coronal mass ejections are responsible for the northern lights ...

Jan 31 (Reuters) - Indian solar module maker Waaree Energies (WAAN.NS), opens new tab is confident of U.S. demand and is positioned to manage possible import tariffs under President Donald Trump ...

Keep the lights on for us! Keep the holiday lights that wrap around tree trunks on W Broad Street to brighten things up in downtown Falls Church! Keep them up year ‘round. We need that extra cheer, ...

LOS ANGELES (AP) — What was once the world’s largest solar power plant of its type appears headed for closure just 11 years after opening, under pressure from cheaper green energy sources.