The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Europe’s medieval cities weren’t designed to impress modern travelers, yet centuries later they feel almost unreal. Stone ...

European leaders, including Denmark and Greenland, reject U.S. President Trump's suggestion of a U.S. takeover of Greenland, ...

Over its planned two-year mission, the $488 million telescope will scan the entire night sky every six months and collect ...

A day after the audacious U.S. military operation in Venezuela, President Donald Trump on Sunday renewed his calls for an ...

The remarkable natural light show is the result of electrons colliding with atoms in the upper reaches of Earth’s atmosphere.

A nuclear-capable missile fired into Ukraine near Poland sent a message to Europe days after its leaders agreed to postwar ...