Paleontologists have unearthed the 5.2-million-year-old fossilized remains of four sabertooth cat species — including two previously unknown species,...
Few fast-swimming apex fishes are classified as regional endotherms, or partially warm-blooded, having evolved a relatively uncommon suite of traits (e.g....
New research shows that long-lived volcanism, driven by early, energetic collisions on Venus, offers an explanation of its young surface age with stagnant-lid...
An analysis of a 300,000-year-old double-pointed wooden stick from the Middle Pleistocene site of Schöningen, Germany, shows it was scraped, seasoned...
The unusual fossil from around 125 million years ago shows a dramatic moment in time when a species of badger-like carnivorous mammal called Repenomamus...
ZTF J203349.8+322901.1, nicknamed Janus after the two-faced Roman god of transition, is a transitioning white dwarf with two faces: one side of its atmosphere...
To be able to fly soon after hatching from the egg, a bird or pterosaur must have well-developed wings. Studies of small-bodies pterosaur species from...
Boron monoxide, a binary compound of boron and oxygen, was first reported in the 1940s. However, scientists were unable to determine the structure of the...
Dental caries is a worldwide challenge for public health. In a new double-blinded, randomized, clinical trial, scientists from Poznan University of Medical...
The Search for Extraterrestrial Intelligence (SETI) aims to answer one of the most important scientific questions: are we alone in the Universe? Complementing...
This new image from the Gemini South telescope, one half of the International Gemini Observatory, operated by NSF’s NOIRLab, shows the nearly symmetrical...
New research from the University of Toronto shows that from approximately 2 billion until 600 million years ago, an atmospheric tide driven by the Sun...
The Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) instrument onboard NASA’s Perseverance rover has...
The Webb team has released a beautiful image of a small star-forming region in the Rho Ophiuchi cloud complex.
This Webb image shows a part of the Rho...
Otodus megalodon, a megatooth shark that lived between 23 and 3.6 million years ago, was not a fast swimmer, but it had a mega-appetite explaining its...
The Universe could be twice as old as current estimates, according to new research from the University of Ottawa that challenges the dominant cosmological...
Do we only hear sounds? Or can we also hear silence? These questions are the subject of a centuries-old philosophical debate between two camps: the perceptual...
The evolution of life on Earth has changed dramatically at tens of million-year time scales. However, the causal mechanisms of these changes remain unclear....