Skeptophilia

Today's post is about a pair of new scientific papers that have the potential to shake up the world of cosmology in a big way, but first...

The universe is a dangerous place. I'm not talking about crazy stuff happening down here on Earth, although a lot of that certainly qual...

Dear Readers: After today's post, I'm going to be taking a long-overdue break from Skeptophilia .  My intent -- lord willin' an...

Three of the most vexing problems in physics -- and ones I've hit on a number of times here at Skeptophilia  -- are: dark matter -- the...

Almost exactly a year ago, I wrote a post about MoND -- modified Newtonian dynamics  -- a new(ish) model of gravitation that purported to e...

Back in the 1970s and 1980s, astrophysicist Vera Rubin discovered something odd about the rates at which stars were revolving around their ...

The things that keeps astrophysicists up at night are the irritating little questions about the universe that are simple to ask, and wildly ...

It seems like whenever I look at the realm of the very large or the very small, I quickly get overwhelmed by scale. I remember, for example,...

I've posted here before about dark matter, the mysterious substance which -- if current models are even close to correct -- makes up 27%...