Part of Molly Sampson's shark tooth collection — including teeth from a megalodon from about 15 million years ago (left)...
science
If you're looking at the night sky over the next month and a little green light is emitting across the...
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Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more....
Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more....
Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more....
Zoom in / The launch of the Artemis I mission to Earth marked the end of an era in mission...
Watch our replay of the countdown and launch of the SpaceX Falcon 9 rocket at 11:50 p.m. EST (0450 GMT)...
Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more....
Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of amazing discoveries, scientific advances, and more....
