Add Yahoo as a preferred source to see more of our stories on Google. It's a question that has vexed scientists for ages: How old is our universe? The question is simple enough, but as the years go by ...

Learn more about the holographic principle and why some theoretical physicists think the universe could be a hologram.

Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut ...

Physicists including Robert H. Dickle and Fred Hoyle have argued that we are living in a universe that is perfectly fine-tuned for life. Following the anthropic principle, they claimed that the only ...

Researchers are studying how hospitable our universe is to creating life. It’s related to the density of dark energy, which impacts star formation and the chances of life forming. The idea is that ...

Astrophysicist and cosmologist Neil deGrasse Tyson, speaking with journalist Robert Krulwich during 92Y's Giants of Science series in 2007, explored one of cosmology’s biggest questions: How did the ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: Netflix Space is one of the most fascinating subjects, and people are always excited to know more about it. That’s ...

"You could say that these are the first 'direct' images of galaxy formation that we've ever seen." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

Astronomers have proposed a new theory to suggest why our universe is expanding at an accelerating rate. That our universe is expanding is in wide agreement, though how exactly that process happens is ...

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the early universe—and that the universe could start contracting at some point.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. About a century ago, scientists were struggling to ...