“As the universe expands and dark energy remains constant (negative pressure) then where does the ever increasing amount of dark energy com...

Another year has passed and Vera Rubin was not awarded the Nobel Prize. She’s 88 and the prize can’t be awarded posthumously, so I can’t sha...

Theoretical physics is the most math-heavy of disciplines. We don’t use all that math because we like to be intimidating, but because it’s t...

[Image Source: giphy.com ] “please could you give me a simple definition of "quantum gravity"? J.” Dear J, Physicists re...

Yesterday I came across a Q&A on the website of Discover magazine, titled “The Root of Gravity - Does recent research bring us any close...

Research in quantum gravity is quite a challenge since we neither have a theory nor data. But some of us like a challenge. So far, most eff...

[Reading is to writing what eating is to...] Dreams Of A Final Theory: The Scientist's Search for the Ultimate Laws of Nature Steven...

Last month, game reviewers were all over No Man’s Sky , a new space adventure launched to much press attention. Unlike previous video games,...

“Dear Dr. Hossenfelder, First, I love your blog. You provide a great insight into the world of physics for us laymen. I have read in popula...

What if the universe was like a pile of laundry? Have one. See this laundry pile? Looks just like our universe. No? Here, have another. ...

I'll be in Stockholm next week for a program on Black Holes and Emergent Spacetime , so please be prepared for some service interruption...

Model of Inflation. img src: umich.edu I wrote my recent post on the “ Unbearable Lightness of Philosophy ” to introduce a paper summary...

Philosophy isn’t useful for practicing physicists. On that, I am with Steven Weinberg and Lawrence Krauss who have expressed similar opi...