The search for the universe’s center starts with a simple intuition: if everything exploded outward in the Big Bang, there ...

Whether the Universe will 'end' at all is not certain, but all evidence suggests it will continue being humanity's cosmic ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

In a cafe at CERN in 1992, three physicists realized they disagreed about how many constants are needed to describe all of nature. A recent paper suggests only one – time – is necessary.

The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down.

This is the light echo of the Big Bang, the first light that freely moved through the universe. This relic is crucial to our ...

Discover James Webb discoveries revealing the JWST early universe, cosmic dawn insights, and groundbreaking new space ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

James Webb Space Telescope confirms dark energy is accelerating universal expansion, strengthening evidence for the Big Rip ...

A new way to study 3D maps of galaxies in the cosmos without compressing the data is revealing new information about the dark universe. When you purchase through links on our site, we may earn an ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...