The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.
Live updates from Tuesday's SpaceX NROL-77 national security mission that launched a Falcon 9 rocket from Cape Canaveral ...
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This bright star will soon die in a nuclear explosion — and could be visible in Earth's daytime skies
The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...
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