3+ day, 17+ hour ago  (568+ words) A seismograph is a tool that scientists use to record earthquakes and measure their strength The scribbles that a seismograph scratches out may look like nonsense. But scientists can decode those zigzags to learn about the earthquakes that caused them....

6+ day, 17+ hour ago  (1169+ words) Surprisingly, the earliest relative of humans, apes and monkeys might not have lived in the tropics Today, primates, including monkeys and apes, are more common in the hot, humid tropics. That's led people to think that primates evolved in such…...

2+ week, 3+ day ago  (1724+ words) A fossil tooth rewrites where some of these giant mosasaurs lived This illustration depicts hunting freshwater mosasaurs " one in the act of feeding " at a site in North Dakota now known as the Hell Creek Formation. Mosasaurs " a fearsome group…...

1+ mon, 2+ day ago  (975+ words) Many open questions remain about this iconic dinosaur's appearance, speed, brainpower and more Tyrannosaurus rex truly was a fearsome predator in its time. This scene gets some things about T. rex right. But other aspects don't quite match what paleontologists know…...

1+ mon, 3+ week ago  (911+ words) The colorful flair in these fossils comes down to crystal thicknesses and spacing Ammolite gems are some pretty fabulous fossils. They sport a rainbow flair that comes from tiny features in their crystal plates. January 20, 2026 at 6:30 am Ammolites are some…...

2+ mon, 3+ day ago  (1587+ words) This Nanotyrannus would have roamed alongside T. rex in the late Cretaceous Family feud? A juvenile'T. rex fends off a pack of'Nanotyrannus in the Late Cretaceous Period. It's an artist's depiction of dinosaur diversity at a site now known as Hell…...

4+ mon, 3+ week ago  (1017+ words) Fossils from Germany suggest violent winds downed the young flyers 150 million years ago An artist's depiction of a Pterodactylus hatchling as it struggles to fly in powerful storm winds. The broken wings of two pterosaur hatchlings point to how hundreds…...

4+ mon, 3+ week ago  (1810+ words) Affected coastal cities now flood more often " a growing threat as sea levels are rising When the ground sinks in coastal cities, these sites become especially vulnerable to flooding. Flooding can happen with heavy rain. But in some places " such…...

4+ mon, 4+ week ago  (959+ words) Calcium in dinosaur teeth suggests which parts of plants an herbivore preferred Researchers analyzed the tooth enamel from animals that roamed the U.S. West some 150 million years ago. These included (from left)Allosaurus,Apatosaurus, a herd ofDiplodocusand twoCamptosaurus.The new study…...

6+ mon, 3+ week ago  (1423+ words) The math used in the past to calculate how fast dinosaurs ran might not add up after all If a dinosaur like T. rex ran on mud 100 million years ago, can we say how fast it was? Experiments with guinea fowl…...