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There's a disturbingly sinister presence peering from a dark nebulous realm in the season finale of HBO's " Dune: Prophecy ," ...

Centaur, the upper stage of the Vulcan Centaur, is designed for orbit. During the recent Spacepower Conference in Orlando, ...

Fans of HBO/Max's absorbing "Dune" prequel spinoff, " Dune: Prophecy " just got an early holiday gift with word that HBO has ...

Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.

Aurora chasers are on high alert for minor geomagnetic storm conditions on Dec. 25. Northern lights could be visible over ...

The daring NASA spacecraft made its closest-ever approach to the sun at 6:53 a.m. EST (1153 GMT) on Christmas Eve (Dec. 24).

Skywatchers across the United States witnessed a total solar eclipse, SpaceX caught a giant rocket out of mid-air with a pair ...

A brilliant fireball lit up the night sky over some southern states in the United States this weekend, but that was no meteor ...

To start, there are the usual suspects, like electrons, protons, quarks and neutrinos. But if those particles aren't strange ...

A bright streak of light in the pre-dawn skies above the U.K. could easily be mistaken for Santa Claus getting an early start ...

Explorers, astronauts and filmmakers described life in space and on Earth in an epic livestream from the Drake Passage.