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Scientists have come up with theories about parallel universes that are so wild they’d make the most creative science fiction writers feel jealous. The idea that there are other worlds exactly like ...

In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a gravitational wave that lasted just one-tenth of a second. The signal, known as ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

The cosmos has long been a canvas for creatives who imagine a future where people live among the stars. Now, humanity stands at a pivotal juncture as the laborious, expensive and high-stakes process ...

The space-based observatory will scan the cosmos in 102 colors we can't see to unlock the secret history of the universe. Reading time: Reading time 2 minutes NASA’s newest eye on the cosmos is ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...