An overlooked particle could have altered the early Universe in ways that helped produce the imbalance between matter and antimatter, a new theoretical study suggests.

The post Heavy Neutrino May Help Explain Why Matter Survived Big Bang appeared first on Sci.News: Breaking Science News.

A 518-million-year-old ambulacrarian fossil from China suggests that the common ancestor of starfish and their relatives was not a burrowing worm; it was probably a tentacled animal that fed from the water around it.

The post Early Cambrian Fossil Rewrites Starfish Family Tree appeared first on Sci.News: Breaking Science News.

Uranus and Neptune are often described as near-twins, but a new study suggests their chemistry, and possibly their histories, may differ more than expected.

The post Uranus and Neptune May Have Taken Different Paths to Becoming Ice Giants appeared first on Sci.News: Breaking Science News.

A fossil theropod vertebra about the length of a thumb, found in the Algarve region in southern Portugal, may be the oldest dinosaur remains ever discovered on the Iberian Peninsula.

The post Single Vertebra Hints at Oldest Known Iberian Dinosaur appeared first on Sci.News: Breaking Science News.

Astronomers using the NASA/ESA Hubble Space Telescope have captured a new view of NGC 1827, an intermediate spiral galaxy seen edge-on in the constellation Columba.

The post Hubble Space Telescope Spots Dusty Spiral Galaxy: NGC 1827 appeared first on Sci.News: Breaking Science News.

A tiny piece of amber from Myanmar has captured a defensive maneuver that lizards still use today: shedding part of their tail to escape a predator.

The post Lizard Dropped Its Tail 99 Million Years Ago, Amber Preserved Evidence appeared first on Sci.News: Breaking Science News.

A team of astronomers led by University of Warwick’s Dr. Mark Hollands has converted white dwarf spectra into the colors a human eye would perceive.

The post White Dwarfs Really are White, But Few are Green, Pink or Vivid Blue appeared first on Sci.News: Breaking Science News.

Paleontologists have described a new genus and species of early bird from the Late Jurassic Zhenghe Fauna of southeastern China.

The post Jurassic Fossil Hints that Some Early Birds Were Flightless appeared first on Sci.News: Breaking Science News.

A fossilized braincase that sat in in the collection of the Natural History Museum in London for a century has been identified as Europe’s first megaraptoran dinosaur, a lineage once thought to have flourished mainly in the southern hemisphere.

The post New Species of Predatory Dinosaur Identified in UK appeared first on Sci.News: Breaking Science News.

Tyrannosaurs sit at the top of the food chain in the popular imagination, but a newly described fossil from Alberta, Canada, suggests that a much smaller predator may have fed on the carcass of Albertosaurus sarcophagus, a tyrannosaur relative.

The post Small Raptors Likely Feasted on Fallen Tyrannosaur, Fossil Bite Marks Suggest appeared first on Sci.News: Breaking Science News.

Fossils from Montana show a small oviraptorosaur with a jaw that slid front to back, a feature shared with fruit-eating parrots.

The post Small, Chicken-Like Dinosaur May Have Had a Jaw Built for Fruit appeared first on Sci.News: Breaking Science News.

New research led by University of the Witwatersrand and University of Southern California paleoanthropologists sheds more light on one of the most debated transitions in human evolution: when our ancestors stopped regularly climbing trees and committed fully to walking on two legs.

The post Fossil Evidence Suggests Early Homo Had Abandoned Tree-Climbing by 1.8 Million Years Ago appeared first on Sci.News: Breaking Science News.

Physicists from the ATLAS Collaboration at CERN’s Large Hadron Collider (LHC) have found evidence of the Higgs boson decaying into a ‘virtual’ photon and a real photon, which in turn produces a pair of leptons.

The post CERN Physicists Find Evidence of One of Higgs Boson’s Rarest Decays appeared first on Sci.News: Breaking Science News.

Paleontologists have identified a new species of ancient, distant mammal relative from two fossil specimens found decades apart in the Manda Beds of Tanzania.

The post New Dicynodont Species from Tanzania Suggests Younger Age for Rocks Tied to Earliest Dinosaurs appeared first on Sci.News: Breaking Science News.

El Soplao, a fossil site tucked into the hills of Cantabria in northern Spain, stands out for yielding amber pieces with a blue-violet hue and abundant bioinclusions, according to a new review paper.

The post Spanish Amber Deposit Offers Rare Window into Cretaceous Life appeared first on Sci.News: Breaking Science News.

Paleontologists from Fundación Dinópolis have identified the first confirmed fossils of the genus Diplodocus found outside North America.

The post Diplodocus, Long Thought Exclusively American, Turns Up in Spain appeared first on Sci.News: Breaking Science News.

Long before sharks or reptiles ruled the seas, armor-plated fish called placoderms were already experimenting with different jaw designs to crush hard-shelled prey.

The post Devonian Armored Fish Show Multiple Ways to Crush Hard-Shelled Prey appeared first on Sci.News: Breaking Science News.

Astronomers have found new evidence that 3I/ATLAS, only the third confirmed interstellar object ever detected entering the Solar System from beyond, formed in an extremely cold environment far from any star.

The post Study: Interstellar Comet 3I/ATLAS Formed in Cold, Nitrogen-Rich Environment appeared first on Sci.News: Breaking Science News.

Paleontologists have identified a new species of extinct alligatorid that lived in what is now Colorado just a few hundred thousand years after the asteroid impact that wiped out the non-avian dinosaurs.

The post Ancient Alligator Relative Lived Right After Dinosaur-Killing Asteroid appeared first on Sci.News: Breaking Science News.

New research from the Natural History Museum at the University of Oslo suggests ichthyosaurs’ rib cages may have done a job modern whale ribs don’t: acting as ballast to help them dive.

The post Ichthyosaurs Had Surprisingly Dense Ribs, New Study Finds appeared first on Sci.News: Breaking Science News.