Archivo: Smithsonian Magazine

CT scans show layered bone covers the adult reptile’s body, likely to protect them when fighting for mates and food

The star S0-2 gets so close to the supermassive black hole at the center of the galaxy that it can be used to test our fundamental understanding of gravity

A small, 150 million-year-old dinosaur unearthed in Wyoming ran on the ground, but it may have been closely related to some of the first fliers

The Planetary Society’s second solar sail will attempt to use sunlight to fly through space

Abnormally high temperatures have led to unsafe travel conditions, uncertain ecological futures and even multiple deaths

The ancient beast of the oceans comes to life in a new display at the National Museum of Natural History

Crustaceans in the Mariana Trench and other underwater canyons feed on food from the surface laced with carbon-14 from Cold War bomb tests

The colorful creatures can measure up to three feet long from head to tail and weigh in at around four pounds

A species description from more than two centuries ago has fooled scientists until now

Before ether was used as an anesthetic in surgery, doctors relied on less effective techniques for pain relief, such as hypnosis