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

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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).

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

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

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

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.

"I think of JuMBOs as a cross between stars and brown dwarfs - they would have been like stars had it not been for the radiation from the more massive stars, which has sculpted them to be more like ...

Venus will pass to the north of the much-fainter bluish star Regulus (in Leo, the Lion) on the morning of Sept. 19; the planet and star will appear low in the east-northeast predawn sky, separated by ...