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Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway

The Tyrannosaurus rex trackway in the Hell Creek Formation in North Dakota, the United States. Image credit: Kent Hups.
Sep 9, 2026 by Enrico de Lazaro

Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to a full-grown Tyrannosaurus rex. The Tyrannosaurus rex trackway in the Hell Creek Formation in North Dakota, the United States. Image credit: Kent Hups. The newly discovered trackway is roughly 7 m (23 foot) long, and consists of four large, three-toed prints, each around 1 m (3.3 feet) in length. It was discovered...

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The Jalca horned owl (Bubo jalca). Image credit: López-Lanús et al.

New Owl Species Discovered in Peru

Sep 8, 2026 by Enrico de Lazaro

A horned owl living in a narrow strip of high-Andean grassland in northern Peru is a species new to science, according to a paper published in July 2026...

Miracinonyx trumani and the ecosystem this species lived in. Image credit: Julius Csotonyi.

Ancient DNA Rewrites Story of Enigmatic ‘American Cheetah’

Sep 4, 2026 by Enrico de Lazaro

For several decades, paleontologists have described Miracinonyx trumani — an extinct species of cheetah-like felid that roamed the North American...

To search for dark matter, LZ uses photomultiplier tubes (shown here before installation in the detector) to capture light from particle interactions. Image credit: Matthew Kapust / Sanford Underground Research Laboratory.

Physicists Spot Curious Signal in Hunt for Elusive Dark Matter Particles

Sep 3, 2026 by Enrico de Lazaro

Physicists using the LUX-ZEPLIN (LZ) dark matter detector deep underground in a former South Dakota gold mine say they’ve recorded a single particle...

Reconstruction of a mosasaur and large fish preying on an injured Enchoteuthis, representing potential candidates for the bite marks on the octopod. Image credit: Kaitlin Lindblad.

Fossil of Giant Squid-Like Creature from Cretaceous Period Bears Marks of Deadly Attack

Sep 1, 2026 by Enrico de Lazaro

Paleontologists studying a fossil unearthed in southern Manitoba, Canada, have identified what they believe are two bite marks on the internal skeleton...

Tasmanian tigers (Thylacinus cynocephalus) in captivity. Image credit: University of Melbourne / Museums Victoria.

Tasmanian Tiger Hunted Like Opportunist, Not Wolf, New Research Suggests

Sep 1, 2026 by Enrico de Lazaro

A new study analyzing the walking patterns of predatory mammals suggests that the extinct thylacine (Thylacinus cynocephalus) likely hunted more like an...

Track-bearing slab T-373 from King George Island, Antarctica. Sclae bar - 10 mm. Image credit: Mansilla-Vera et al., doi: 10.1007/s00300-026-03539-1.

55-Million-Year-Old Predatory Mammal Footprint Found in Antarctica

Aug 31, 2026 by Enrico de Lazaro

A single fossilized footprint found in volcanic mud on a remote Antarctic island is the first known trackway from a mammal in Antarctica, and the earliest...

A pair of thylacines, a male and female, c. 1905. Image credit: Smithsonian Institutional Archives / E. J. Keller, National Zoological Park.

Tasmanian Tiger’s Skull Reveals Hunting Style with No Modern Match

Aug 31, 2026 by Enrico de Lazaro

For nearly a century, scientists have treated the thylacine (Thylacinus cynocephalus) as a textbook case of convergent evolution — a marsupial that...

NASA’s Nancy Grace Roman Telescope lifted off on a SpaceX Falcon Heavy rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on August 30, 2026 at 7:26 a.m. EDT. Image credit: NASA.

NASA’s Roman Space Telescope Launches on Mission to Probe Hidden Universe

Aug 30, 2026 by Enrico de Lazaro

NASA’s Nancy Grace Roman Space Telescope launched August 30, 2026 at 7:26 a.m. EDT (11:26 UTC) aboard a SpaceX Falcon Heavy from Launch Complex 39A at...

Paleo-Indians hunting a glyptodont, a relative of the armadillo that lived during the Pleistocene epoch. By Heinrich Harder, 1920.

Paleontologists Identify New Species of Glyptodont

Aug 28, 2026 by Enrico de Lazaro

An incomplete fossilized skull that has sat in the collections of the Natural History Museum of Denmark since the 19th century has turned out to represent...

An artist’s conception of Etowah, a Mississippian culture site located on the banks of the Etowah River in Bartow County, Georgia. Image credit: Herb Roe / Sci.News.

Mississippian People May Have Consumed Cacao as Early as 11th Century

Aug 26, 2026 by Enrico de Lazaro

Long before Europeans arrived, cacao (Theobroma cacao) may have traveled far beyond its Central and South American homeland to reach Etowah, a major Mississippian-period...

Nipponopelta yezoensis. Image credit: TotalDino / CC BY 4.0.

New Species of Armored Dinosaur Identified in Japan

Aug 24, 2026 by Enrico de Lazaro

Cranial fossils of a nodosaurid ankylosaur unearthed more than two decades ago on the Japanese island of Hokkaido have been recognized as belonging to...

This ALMA image shows the red supergiant star Betelgeuse. Image credit: ALMA / ESO / NAOJ / NRAO / Dent et al.

ALMA Reveals Betelgeuse’s Fiery, Long-Lived Hot Spots

Aug 24, 2026 by Natali Anderson

Astronomers using the Atacama Large Millimeter/submillimeter Array have captured stunning new images of the surface of Betelgeuse, the famous red supergiant...

Urolithin A is a metabolite compound produced when gut bacteria break down ellagitannins and ellagic acid, which are found in foods like pomegranates, berries, and walnuts. Image credit: Albrecht Fietz.

Natural Postbiotic Compound Shows Promise against Hard-to-Treat Heart Failure

Aug 21, 2026 by News Staff

Researchers at King’s College London have identified a surprising new therapeutic mechanism for a type of heart failure called heart failure with preserved...

Life reconstruction of Bataspis crux. Image credit: Dinghua Yang.

Meet Bataspis crux, Jawless Fish that Cruised Devonian Seas with Batwing Head

Aug 18, 2026 by Enrico de Lazaro

Paleontologists in China have identified a new species of armored, jawless fish from rocks around 419 million years old whose skull was shaped like the...

About 11.8 billion years ago, a dwarf galaxy known as LKH merged with the early Milky Way. Image credit: NASA / ESA / Joseph Olmsted, STScI.

Milky Way Swallowed Dwarf Galaxy Nearly 11.8 Billion Years Ago

Aug 18, 2026 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope have found definitive evidence that the young Milky Way swallowed a dwarf galaxy just two billion...

An artist’s concept of a Penghu Denisovan walking under the bright Sun during the Pleistocene of Taiwan. Image credit: Cheng-Han Sun.

Denisovans Were Surprisingly Tall, New Fossils from Taiwan Suggest

Aug 17, 2026 by Sergio Prostak

Two fossilized leg bones of Denisovans — an extinct archaic Homo group whose lineage diverged from the Neanderthal lineage 550,000 years ago and...

Reconstruction of the faunal assemblage of La Venta, showing the hypothetical predation event with Purussaurus neivensis attacking Pericotoxodon platignathus; also pictured in the foreground are Anhinga cf. A. grandis and Caiman sp. Image credit: Miguel Hernandez.

Giant Crocodiles Once Preyed on Massive Mammals in South America

Aug 17, 2026 by Enrico de Lazaro

Paleontologists have uncovered the first direct physical evidence that colossal prehistoric crocodiles hunted large plant-eating mammals in what is now...

Adansonia za. Image credit: Hectonichus / CC BY-SA 3.0.

New Baobab Species Identified in Madagascar

Aug 17, 2026 by Natali Anderson

Scientists analyzing DNA of Madagascar’s iconic baobab trees have concluded that a widespread species called Adansonia za is actually two, formally resurrecting...

The Baturité antthrush (Chamaeza baturitensis). Image credit: Fábio Nunes.

Ornithologists Discover New Bird Species in Brazil

Aug 14, 2026 by Natali Anderson

A previously unrecognized species of the antthrush genus Chamaeza has been discovered in the isolated highland rainforests of northeastern Brazil. The...

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