Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

Roughly 14 billion years ago, a tiny pinpoint of extreme heat and density erupted in a grand explosion, leading to the creation of between 100 billion and 2 trillion galaxies, one of them being our ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How can a Big Bang have been the start of the ...

Will the universe keep existing forever? An astrophysicist explains how scientists aren’t entirely sure, but they can make predictions.

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

The Universe began 15 billion years ago in a fantastic explosion. It's the story we've been taught since first grade science, and cosmologists have held dear the aptly named big bang model for more ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: Astronomers ...

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 ...

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...