See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas. Credit: ...

A Change.org petition urges the U.S. to donate the USS Connecticut and USS Hartford subs after retirement as tourist draws.

U.S. and Iran intensify military strikes in West Asia, escalating conflict over the strategic Strait of Hormuz.

As the peerless "Aliens" turns 40, here are 26 reasons it's still the greatest sci-fi action movie of all time.

The seventh night in a row of strikes came after President Donald Trump threatened to start striking infrastructure to ...

"Stranger Things" is a fun ride, but it's far from the best science fiction TV series out there. These sci-fi shows all top ...

The United States and Iran exchanged strikes aimed at infrastructure and military targets on Saturday as their battle over ...

Flights between the Iranian city of Shiraz and Dubai resumed on Friday after a five-month halt, Iran’s Fars news agency ...

Andy Burnham vowed Friday to restore "hope" to the British people as he officially became the ruling Labour party's new ...

The United States expanded its attacks against Iran early Friday by hitting more bridges and energy sites and collapsing a ...

CAPE CANAVERAL SPACE FORCE STATION — During a scheduled static fire of Blue Origin's New Glenn rocket on Thursday night, the rocket experienced a malfunction and exploded on the pad at Launch Complex ...