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 ...

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 ...

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

Astronomers have released a set of more than a million simulated images showcasing the cosmos as NASA's upcoming Nancy Grace ...

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

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 ...

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

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

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

NASA’s Webb telescope uncovers mysterious "little red dots," pointing to the existence and growth of supermassive black holes ...

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