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.
Dorothy Bennett in Peru

The Star-Studded Life of Ms. Dorothy Bennett

The wacky life story of the astronomer, author, children's book publisher, and anthropologist who restored an old barge on the Gowanus Canal in 1937.
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.
Paul Otlet

The Internet Before the Internet: Paul Otlet’s Mundaneum

Belgian information activist Paul Otlet envisioned some of the possibilities of today’s Web more than a century before its existence.
Photograph of Charles Darwin by Maull and Polyblank for the Literary and Scientific Portrait Club (1855).

Charles Darwin In His Own Words

Some collected letters and observations from the great naturalist, Charles Darwin. 
The Brain That Wouldn't Die - 1962 - Joseph Green

Head Transplants: A History

The first human head transplant is scheduled for 2017. But the possibility of transplants has transfixed scientists for most of the last century.
Credit: NASA/JPL/University of Arizona
Caption: Alfred McEwen

The Canals of Mars

We now know there's liquid water on Mars, according to NASA. But at the turn of the 20th century, we believed something else: that Mars had canals.
The habitat at sunset - photo by Sian Proctor
University of Hawai`i at Manoa

Sealed In A Dome For Science

NASA volunteers are experimenting with long-term isolation in a dome in preparation for long space flights.
Shark fin protruding out of water

Shark Attacks: A History of Hype

A history of shark attacks and public response to them.
Satellite orbiting Pluto

Pluto Gets a Close-Up

What the New Horizon voyage tells us about Pluto.