The portion of the cosmos from which light has had time to reach Earth spans roughly 92 to 93 billion light-years in diameter, a figure that dwarfs the 13.8-billion-year age of the universe and ...

The observable universe stretches roughly 93 billion light-years across, placing its visible edge around 46 billion light-years away in every direction. Yet the oldest light reaching us is only about ...

Learn more about space exploration, the tools we use to search the stars, what we’ve found so far, and the overview effect, a phenomenon many astronauts, including Sunita Williams, experience when ...

Add Yahoo as a preferred source to see more of our stories on Google. This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on ...

A cosmic census suggests 40 quintillion stellar black holes exist, with the largest often forming through interactions in star clusters.

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter. The biggest objects in the universe are clusters ...

A survey of 2.5 million galaxies using FAST and DESI has confirmed that cosmic star formation has collapsed by 60% over the ...

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Cosmic voids that stretch across millions even billions of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Is the universe infinite? It's one of the most profound questions we can ask, and here's the short answer: We don't know. While we have learned a great deal about the universe, a portion of the cosmos ...

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