Science

In 1996, paleontologists made a startling discovery in northwestern Madagascar. Among dinosaur bones and sandy sediment there emerged a 167-million-year-old tiny jaw fragment with three teeth. It belonged to Ambondro mahabo, a...

Everett I. Mendelsohn, a longtime Harvard professor who as a scholar of the history of science explored how the evolution of science has been influenced by historical and cultural trends and vice...

Fossils from animals including dinosaurs and stingrays more than 100 million years old were uncovered in a Maryland park in what experts said could be the widest-ranging discovery of fossils of different...

Atherectomies and other procedures on Kelly Hanna’s veins and arteries started in February 2019. Her records do not always show which vessels Dr. Mustapha performed procedures on, instead only indicating which leg....

For nearly a year, talks between the planet’s two biggest polluters, China and the United States, have been suspended as the impacts of global warming have only grown more intense in the...

About eight years ago, in response to customer concerns about possible health risks associated with the artificial sweetener aspartame, PepsiCo decided to remove the ingredient from its popular diet soda.Sales flopped. A...

Evelyn M. Witkin, whose discovery of the process by which DNA repairs itself opened the door to significant advances in the treatment of cancer and genetic defects, died on Saturday in Plainsboro...

Imagine: It’s 1854. The concept of evolution won’t be introduced for another five years or so. The word dinosaur is only about a decade old. There are no David Attenborough documentaries teaching...

India’s first attempt at putting a robotic spacecraft on the surface of the moon three years ago ended in a crash and a crater. Now it is ready to try again.The mission,...

Of all the long-running disputes in archaeology, few roil scholars more than the question of when humans arrived in the Americas. For much of the past century, the reigning theory was that...