Tyrannosaurus rex skeleton (the specimen AMNH 5027) at American Museum of Natural History.

An Asteroid Killed the Dinosaurs. Right?

What killed the dinosaurs? An asteroid wiped them out, right? New research suggests that even before that cataclysm, dinosaurs weren't doing so well.
From left to right: W. Nernst, A. Einstein, M. Planck, R.A. Millikan and von Laue at a dinner given by von Laue

Who was Max Planck?

Max Planck was a German physicist who won the Nobel Prize in Physics in 1918. 
Leonardo da Vinci botanical study, circa 1490

Leonardo Da Vinci, Artist/Scientist

Leonardo was the first scientific illustrator.
Fossil of Tullymonstrum gregarium, an extinct animal

The Tully Monster, Monstrous No More

The identity of the Tully monster, a 50-year-old paleontological mystery, has been solved.
Astronaut in space

What Happens To The Body in Orbit?

Scott Kelly has returned from a year in orbit. How has he fared? Turns out space flight really does do a number on the body.
Copernicus

Copernicus’s Body Identified by Stray Hair

Stuck in a book for centuries, strands of Copernicus's hair helped identify his body in 2005.

Why Do We Tickle?

Why do we tickle, why are we ticklish? Why does it make us laugh even while we try to get away from it? It's a ticklish subject....
Gravitational waves

What Are Gravitational Waves?

Einstein predicted over a hundred years ago the existence of gravitational waves. Now a team of over 1,000 scientists have confirmed their existence. 
Visualization of Einstein's Theory of General Relativity.

General Relativity 100 Years On

Einstein's groundbreaking theory of general relativity has remained an essential hallmark of modern physics.
Nebula

I ❤ Physics: A Love Story

I could not bring myself to accept string theory’s claim, often presented as a scientific fact, that there are exactly 11 dimensions.