But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

New telescope instruments now reveal distant galaxies in detail, reshaping how astronomers map dark matter, star formation, ...

How can any telescope see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old? When you purchase through links on our site, we may earn an affiliate commission.

The end of the universe has always felt like a distant abstraction. But new calculations suggest that our original timeline might have been wildly optimistic. According to a team of Dutch scientists, ...

The team's findings, which were published Monday in the journal Nature, also unveil a method of investigating dark matter, which remains one of the universe's greatest mysteries. Astronomers setting ...

When people hear “the universe running out of energy,” it sounds dramatic, like everything suddenly switching off. In reality ...

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

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...