Add Yahoo as a preferred source to see more of our stories on Google. In space, there are four dimensions: length, width, height and time. scaliger/iStock/NASA via Getty Images Plus About a century ...

Neutrinos are one of the most elusive and omnipresent particles in the universe. Their strange properties may explain why the amounts of matter and antimatter in our universe aren’t equal, as most ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, stellar formation and galaxy evolution. When you purchase through links on our ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...

Complete episode list, ratings, and streaming details for How the Universe Works Season 10.

Depending on how you look at it, the universe might not have an "end," after all. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

Whether the universe will "end" at all is not certain, but all evidence suggests it will continue being humanity's cosmic home for a very, very long time. Our understanding of the future of the ...