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United Launch Alliance (ULA) envisions its new, powerful Vulcan Centaur rocket as playing a key role in defending satellites from potential threats in space. Centaur, the upper stage of the

Hoping for a white Christmas this year? Well, even if there’s no snow where you live, at least you can enjoy these images of a “winter” wonderland on Mars. Taken

Nothing is supposed to escape a black hole’s event horizon — yet new research suggests it may secretly leak information. That leakage would appear in subtle signatures in gravitational waves,

2024 was a phenomenal year for sci-fi cinema. While the majority of the best sci-fi movies of 2024 are additions to already well-established franchises, there’s also a special place for

It’s been a busy year on the sun, as it officially entered the peak of its roughly 11-year cycle of activity, known as solar maximum. In 2024, the sun launched

NASA’s first two crewed Artemis moon missions have been pushed back to 2026 and 2027, respectively, and the move could have big ramifications for the agency’s Artemis program and competition

In many respects, the deeper levels of the Superman mythology have barely been scratched in Hollywood’s many cinematic iterations and permutations of the character, whether on the big screen or

Is that Santa’s sleigh pulled by a magical herd of reindeer? A bright streak of light in the pre-dawn skies above the U.K. tomorrow morning (Dec. 24) could easily be

Just in time for Old St. Nick’s annual trek across the sky and straight down your chimney, Sony Pictures Home Entertainment, which now handles all of Disney’s physical media production

The recent sightings of puzzling unidentified aircraft in New Jersey and other states have triggered yet another round of unanswered questions — and fueled conspiracy theories. For one, the odd