Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable ...

The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

Cosmology is already a complicated field of study, so switching up the variables is extra rough.

Katie Mack is a theoretical astrophysicist, assistant professor of physics at North Carolina State University and the author of The End of Everything (Astrophysically Speaking). “I’ve been trying to ...

Astronomers believe they've discovered some of the universe's earliest stars, located about 13 billion light-years from Earth ...

Physicist Mir Faizal, Adjunct Professor with UBC Okanagan’s Irving K. Barber Faculty of Science, was not out to shatter the dreams of science fiction enthusiasts when he began to study the limits of ...

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 ...

Current models (supported by experimental evidence) assume the Universe is infinitely big and has been for the 13.7 billion years since it sprang into existence. But language throws much confusion ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...