Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An early analysis ...
NASA returned its first sample of an asteroid to Earth last year, landing a sample collected from asteroid Bennu in the Utah desert in September. Researchers were able to extract 70 grams of material ...
A bright fireball streaked across the sky above mountains, glaciers and spruce forest near the town of Revelstoke in British Columbia, Canada, on the evening of March 31, 1965. Fragments of this ...
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