Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — The Hubble Space Telescope and ...
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Unknown asteroid flew past Earth closer than a satellite—and we didn't spot it until hours later
Astronomers were slow at spotting a small giraffe-sized asteroid that zoomed past our planet on Tuesday, September 30, 2025, at 8:47 p.m. EDT. The encounter was not discovered until hours later as the ...
An autumn meteor shower yearly responsible for “Halloween fireballs” may pose a small impact threat to Earth. But scientists have the sky under surveillance. Here’s what to know. What is the Taurid ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
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