Skeptophilia

One of the most curious unsolved problems in physics is the three-body problem , which despite its name is not about a ménage-à-trois .  It ...

Ever heard of 3753 Cruithne ? I hadn't, which is surprising considering my obsession with astronomy.  It's an asteroid which is in a...

Seems like I've featured a lot of research about astrophysics here at Skeptophilia  lately, and that's not only because I'm real...

Ever heard of Algol ? Known to astronomers as Beta Persei, it's the second-brightest star in the constellation of Perseus.  It was singl...

A long-standing unsolved puzzle in physics is the three-body problem , which despite its name is not about a ménage-à-trois .  It has to do ...

I remember the first time I ran into the concept that the Earth's relatively circular orbit might not be universal amongst the planets o...