New James Webb Space Telescope results have revealed that there may not be a Hubble tension after all. But contradictions within the findings point to a deeper mystery. When you purchase through links ...

The universe has no center. The Big Bang happened everywhere, not from a single point. Space itself expanded, not just matter within space. The universe has no edge or boundary. As counterintuitive as ...

The secrets of black holes and dark matter could lie before the Big Bang, a new study of "bouncing" cosmology hints. When you purchase through links on our site, we may earn an affiliate commission.

In June, a new era in astronomy began with the apparent discovery of low-frequency gravitational waves, the ambient hum of spacetime ripples pervading the universe. That announcement came from a huge ...

Correction: This story previously said the James Webb Space Telescope took more than three decades to develop and launch, but it took nearly three decades. President Joe Biden on Monday revealed the ...

It's a question that has vexed scientists for ages: How old is our universe? The question is simple enough, but as the years go by it's become apparent that settling on the answer isn't quite so easy.

For at least two decades, astronomers have mostly agreed that the universe is around 13.7 billion years old. But the ages of super-old stars and the masses of early galaxies provide compelling ...