Because we haven't found anything yet, we've started to wonder if dark matter might be lighter or heavier than we thought.

In a nutshell Astronomers studying the nearby Coma galaxy cluster have found new evidence that the universe is expanding ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

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 ...

We’ll start our survey with the classic scenario, what you might call the default. It’s the future predicted to come about if everything we know about the Universe is largely correct and all ...

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

The discovery could help scientists get closer to understanding the mysterious invisible matter that makes up the bulk of our ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

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

Learn about the thermal light echo, observed by NASA, that causes intricate layers of interstellar gas and dust to emit an ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.