Dive into 25 Unanswered Questions About The Universe that baffle scientists. Explore dark energy, dark matter, the Big Bang, ...

We have so many questions about the early universe. Questions like, what did it look like right after the Big Bang? How or why did galaxies come to be? What was the first star? What planet formed ...

Using a new framework, astronomers arrived at the most precise measurement of our universe’s expansion rate—but things still ...

Investigations into the unknowns of space and time -- and abstract questions around early universe cosmology relating to the Big Bang, black holes and universe expansion -- are focal points of ongoing ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Conceptual illustration ...

You’ve set your telescope up and are showing people some of the wonders in the sky. Of course, they’re going to ask you questions. Here are some you might be asked. How many do you know the answers to ...