Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The powerful Euclid ...

An international team of scientists has unveiled the largest and most detailed map of the universe ever created using the James Webb Space Telescope, revealing nearly 800,000 galaxies stretching back ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s faster than early-Universe models predict. By linking multiple ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called "impossible early galaxy problem.

A representation of the evolution of the universe over 13.77 billion years. NASA's Goddard Space Flight Center Astronomers have long understood that the universe is expanding—in other words, the space ...

Nature abhors a vacuum, so the saying goes, but nobody told the universe. Space is filled with cosmic voids—vast regions mostly free of matter that have opened between dense threads of material that ...

Two neutron stars violently collide—potentially the sourse of all heavy elements in the universe, including gold. Dana Berry, SkyWorks Digital, Inc. On June 3, 3.9 billion light-years away, two ...

We’re safe for now. The way the universe is expanding, it won’t be tearing itself apart for at least a few billion years. For those of you only now discovering that such an end was a possibility, here ...