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Scholars have long seen in the monumental composition of Stonehenge evidence for prehistoric time-reckoning — a Neolithic calendar. Exactly how such...

Bashanosaurus primitivus is the earliest record of Stegosauria in Asia and represents one of the earliest records of this dinosaur group from anywhere...

HR 6819, a highly intriguing object that was recently proposed as a multiple system containing a stellar-mass black hole, is in fact a binary star system...

The Mars Hand Lens Imager on NASA’s Curiosity Mars rover has imaged a flower-like rock artifact in the Gale crater on Mars. This image from the MAHLI...

The binary neutron-star merger GW170817 was discovered in August 2017. Many telescopes saw different kinds of light after the discovery, but only NASA’s...

An analysis of over three dozen specimens of Tyrannosaurus rex finds that they exhibit such a remarkable degree of proportional variations that the pattern...

Scientists have described a new species of the Neotropical orchid genus Maxillaria from cloud rainforests of northern Ecuador. Maxillaria anacatalinaportillae....

Dearc sgiathanach had an estimated wingspan of between 1.9 and 3.8 m (6.2-12.5 feet), roughly the size of the largest flying birds today (e.g., wandering...

A new image from the NASA/ESA Hubble Space Telescope captures an ongoing head-on collision between the star-forming spiral galaxy NGC 2445 an the less...

A new genus and species of abelisaurid theropod has been identified from a partially complete skull found in northwestern Argentina. An artist’s reconstruction...

Paleontologists have found six specimens from three species of ornithuromorph birds — two of which are new to science — at the Changma locality...

A new genus and species of dinosaur being named Iberospinus natarioi has been discovered by Dr. Octávio Mateus and Dr. Darío Estraviz-López from Portugal’s...

Woodwardopterus freemanorum was over 1 m (3.3 feet) in length and lived some 252 million years ago (Late Permian epoch) in a freshwater environment. Life...

At an estimated distance of 130.5 light-years, CWISE J014611.20-050850.0AB has a projected separation of 129 AU (astronomical units), or 129 times the...

Evidence suggests that caffeine reduces cardiovascular disease risk. However, the mechanism by which this occurs is still unknown. In a new study, researchers...

Astronomers using the Multi AperTure mid-Infrared SpectroScopic Experiment (MATISSE) on ESO’s Very Large Telescope Interferometer have spotted a dense,...

The newly-discovered radio galaxy, dubbed Alcyoneus, has a projected length of 16.3 million light-years (4.99 Mpc). This radio-infrared image shows the...

Two teams of genetic researchers have sequenced the genome of the numbat (Myrmecobius fasciatus), a critically endangered Australian insectivorous marsupial...

Insect-eating birds that feed nestlings with grasshoppers, beetles, or moths perform insect prey preparation before feeding nestlings so that the nestlings...