Cosmologists propose a groundbreaking model of the universe using string theory.
No particle we know of can explain what's going on.
If you've ever wondered which part of physics covers which part of space, fret no more. Here is an awesome map that lays it all out.
There's something all of us—physicists included—are getting wrong about dark matter, says Neil deGrasse Tyson.
Scientists discover unusual galaxies that raise questions about Einstein's theory of gravity and the existence of dark matter.
Physicist Erik Verlinde's theory successfully predicts the distribution of gravity around 33,000+ galaxies without relying on unobserved "dark matter".
A theoretical physicist proposes a new way to think about gravity and dark matter.
Each might be as heavy as an asteroid and as tiny as a decimal point.
Astronomers find a galaxy made almost entirely of dark matter.