An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate ...

The first animals must also have invented ways to produce the many different kinds of cells we have today; muscle cells, ...

The artificial reef off Miami Beach will be an art installation, a restoration of the island's coral habitat and an ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Travel involves two main expenditures of energy: fighting gravity and propelling ...

In February 2023, as cruise missiles hit cities from Kherson to Kyiv, Mikhail Rusin lost heat and electricity in his home in Ukraine’s capital for almost a week. Overnight lows were around 14 degrees ...

Animal rights groups are praising the Department of Health and Human Services secretary, Robert F. Kennedy Jr., for pushing the agency to reduce animal testing in drug development and invest in more ...

It was 5-year-old Tod’s first time competing in a beauty pageant and the bright red interior of his ears turned out and popped against his black fur. The main stud for his owner, food vendor and ...

The epigenetic clock measures biological age and could help scientists assess the health of polar bears, dolphins, baboons and other threatened creatures “while recovery is still possible” The ...

The woman was confined to her room by clutter, and a Long Island wildlife rehabilitator faces charges. The authorities found everything from cats to voles, many of them in dire conditions. By Corey ...

Robert F. Kennedy Jr.’s making animal welfare a component of his Make America Healthy Again mission. The health secretary has asked his agencies to refine high-tech methods of testing chemicals and ...

The actor's four mastiff dogs allegedly mauled a neighbor’s pet to death in September Nicholas Rice is a Senior Editor for PEOPLE Magazine. He began working with the brand as an Editorial Intern in ...