New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4 percent agreement, and 58.2 ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous — and highly debated ...

There's a significant imbalance between matter and antimatter in our universe, but a strange particle called "the Majoron" ...

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...