Image of the Day: Tiny Dinosaur
Image of the Day: Tiny Dinosaur
A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.
Image of the Day: Tiny Dinosaur
Image of the Day: Tiny Dinosaur

A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.

A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.

dinosaurs
Image of the Day: Dinosaur Tracks
Image of the Day: Dinosaur Tracks
Amy Schleunes | Feb 4, 2020
Footprints in southern Africa’s Karoo Basin show mammals and dinosaurs navigating a “land of fire,” as researchers describe the volcanic landscape.
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
Amy Schleunes | Jan 17, 2020
Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.
Image of the Day: Shrinking Dinosaurs
Image of the Day: Shrinking Dinosaurs
Emily Makowski | Jan 3, 2020
As dinosaurs got smaller, their metabolism increased, paving the way for bird evolution.
Image of the Day: Feather Feeders
Image of the Day: Feather Feeders
Emily Makowski | Dec 11, 2019
These ancient insects ate dinosaur feathers during the Cretaceous period.
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Emily Makowski | Oct 25, 2019
The site, Corral Bluffs in Colorado, also reveals how plants evolved and how ecosystems rebounded after the asteroid impact.
Who Owns the ‘Dueling Dinos’? Montana Supreme Court To Decide
Who Owns the ‘Dueling Dinos’? Montana Supreme Court To Decide
Ashley P. Taylor | Jul 11, 2019
The answer has broad implications for paleontology research—and maybe for museum collections, too.
Fossilized Dino Bones Are Home to Diverse Microbial Communities
Fossilized Dino Bones Are Home to Diverse Microbial Communities
Catherine Offord | Jun 28, 2019
A study fails to detect ancient proteins among the microbes, adding to the debate about whether peptides can survive tens of millions of years underground.
Image of the Day: Bat-like Wings
Image of the Day: Bat-like Wings
Chia-Yi Hou | May 9, 2019
Paleontologists find a fossil of a dinosaur, Ambopteryx longibrachium, with membranous wings, in China.
Image of the Day: New Tyrannosauroid
Image of the Day: New Tyrannosauroid
Chia-Yi Hou | May 7, 2019
Fossils of two dinosaur skeletons found in New Mexico are from a species new to science that lived 92 million years ago.
Image of the Day: Passive Flapping
Image of the Day: Passive Flapping
Chia-Yi Hou | May 3, 2019
A robot model of a winged but flightless dinosaur suggests the dinosaur may have flapped its wings while moving on the ground.
Animals in North Dakota Died from Chicxulub Asteroid in Mexico
Animals in North Dakota Died from Chicxulub Asteroid in Mexico
Chia-Yi Hou | Apr 1, 2019
Fossils reveal the quick death of plants and animals from a massive surge of water after the impact 66 million years ago, which is thought to have spelled the demise of dinosaurs.
Image of the Day: Scotty the&nbsp;<em>T. rex</em>
Image of the Day: Scotty the T. rex
Carolyn Wilke | Mar 25, 2019
The world’s largest T. rex found to date likely weighed nearly 20,000 pounds during its life.
Newly Discovered Ancient Shark Found Alongside Bones of <em>T. rex</em>
Newly Discovered Ancient Shark Found Alongside Bones of T. rex
Carolyn Wilke | Jan 22, 2019
Galagadon’s tiny teeth look like the spaceships in its namesake video game from the early 1980s.
Painting Dinosaurs, early 20th century
Painting Dinosaurs, early 20th century
Diana Kwon | Jan 1, 2019
Charles R. Knight’s illustrations shaped the public’s view of prehistoric life.
Paleoart
Paleoart
The Scientist Staff | Dec 31, 2018
See an update from Chicago's Field Museum about the works of Charles R. Knight and other paleoartists who pioneered the depiction of ancient life.
Pterosaurs Sported Feathers, Claim Scientists
Pterosaurs Sported Feathers, Claim Scientists
Anthony King | Dec 17, 2018
A controversy over pterosaurs’ plumage has taken off, with a new discovery pushing feather origins back 80 million years into the early Triassic.
Humans are Making Mammals Return to the Night Life
Humans are Making Mammals Return to the Night Life
Ashley Yeager | Jun 14, 2018
While shifts in behavior could help wildlife and people coexist, they might also affect the animals’ survival.
Life Reemerged Just Years After Dinosaur-Killing Asteroid Impact
Life Reemerged Just Years After Dinosaur-Killing Asteroid Impact
Ashley Yeager | May 30, 2018
Nutrient-rich water helped marine organisms reinhabit Chicxulub crater relatively quickly after the mass-extinction event.
Present-Day Arboreal Birds Have Ground-Dwelling Past
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.