Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that can trigger these events.

Sixty-six million years ago, a massive asteroid smashed into Earth. Life has undergone at least five mass extinctions in the ...

Among the strangest branches of the dinosaur family tree are the alvarezsauroids, small, bird‑like theropods that lived from the Jurassic into the Cretaceous. They don’t fit the image of sharp‑toothed ...

That’s the literal translation of the term Dinosauria, coined by Sir Richard Owen in the 19th century to describe the colossal bones early paleontologists were unearthing. For a long time, the name ...

When the asteroid ended the age of non-avian dinosaurs, it cleared ecological space on a global scale. Small survivors ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

The poodle-sized reptile that lived over 200 million years ago was among creatures that had features similar to dinosaurs it ...

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

Scientists wanted to know why the iconic triceratops had such an unusually large nose compared to most species on Earthj.

For years, we suspected that Alvarezsaurids underwent a rare process of evolutionary miniaturization directly coupled to a ...

Hello {{ subscriber.first_name | strip | default: “there” }}. Sarah Jacobsen here to jumpstart your Friday! Good morning! Today, we have the latest on Hewlett-Packard’s upcoming exit from Boise, ...

Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted to accurately gauge the age of these reptiles? Is this also an accurate ...