Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of fascinating discoveries, scientific breakthroughs and more. CNN — An extinct ribbon-like sea creature about the size…
A bright quasar powered by a supermassive black hole shoots out radiation that pushes clouds of gas into its surroundings to generate winds reaching speeds of about 36 million miles…
NASA has delayed the return of two astronauts from the International Space Station (ISS) for a third time, raising fears the crew could be "stranded".Butch Wilmore and Sunny Williams were…
The James Webb Space Telescope (JWST) discovered what could be the earliest star clusters in the universe.JWST spotted the five protoglobular clusters—swarms of millions of stars bound together by gravity—in…
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Zoom in / Juno's enhanced image of Jupiter's Great Red Spot in 2018. It is likely not the same one observed by Cassini in the 17th century. The planet Jupiter…
You may be familiar with the "arrow of time," but did you know there could be a second one? Dr. Robert Hazen, a research associate at Carnegie Science's Earth and…
After another Chinese spacecraft touched down on the lunar surface earlier this month, this time to retrieve samples from the far side of the moon, NASA Administrator Bill Nelson hailed…
Hong Kong CNN — Suspected debris from a Chinese missile was seen falling to the ground above a village in southwest China on Saturday, leaving a trail of bright yellow…
While NASA and Boeing are focused on completing the first astronaut mission aboard the Starliner spacecraft early next month, what happens next is already on everyone's mind.Boeing's Starliner capsule was…