The military's northernmost base, located north of the Arctic Circle in Greenland, doesn't see the Sun for several months ...

The $488 million observatory is set to launch at the end of this month on a two-year mission to map the entire celestial sky.

The Russian "package," which included armed Su-35 Flanker-E fighters, was intercepted on two consecutive days in international airspace west of Alaska. On ...

Newsweek's weekly update maps the locations of 12 aircraft carriers in the Indo-Pacific region as of February 21.