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This image, taken on December 17, 2012 by ESA’s Mars Express, shows the icy cap that covers Mars’ south pole, composed of frozen water and carbon dioxide. Image credit: ESA / DLR / FU Berlin / Bill Dunford.

Martian Deposits of Carbon Dioxide Ice Flow as Glaciers: Study

May 3, 2022 by News Staff

Carbon dioxide ice is found in a stack of deposits at the south pole of Mars. These deposits are situated in basins, where they reach more than 1 km thick....

Life reconstruction of Maip macrothorax. Image credit: Agustín Ozán.

New Carnivorous Dinosaur Unearthed in Argentina

May 2, 2022 by Enrico de Lazaro

Paleontologists have described a new species of large-bodied megaraptoran dinosaur from fossilized remains found in Patagonia, Argentina. Life reconstruction...

Until now odd and even categorization, also called parity classification, had never been shown in non-human animals; Howard et al. show honeybees (Apis mellifera) can learn to do this. Image credit: xiSerge.

Honeybees Demonstrate Ability to Learn Concepts of Odd and Even

May 2, 2022 by The Conversation

New research shows that honeybees (Apis mellifera) can visually acquire the capacity to differentiate between odd and even quantities of 1-10 geometric...

An artist’s impression of 25 hot-Jupiters examined by Changeat et al. Image credit: NASA/ ESA / Hubble / N. Bartmann.

New Study Unravels Mysteries of Hot-Jupiter Exoplanets

Apr 28, 2022 by News Staff

In a study published on April 25, 2022 in the Astrophysical Journal Supplement Series, astronomers analyzed archival spectroscopic and photometric data...

Craugastor cueyatl sits on a Mexican 10 pesos coin (diameter is 2.8 cm). Image credit: Jeffrey W. Streicher, Natural History Museum, London.

Scientists Discover Six New Diminutive Frog Species

Apr 27, 2022 by News Staff

A team of researchers from the United States, the United Kingdom and Switzerland has described six new species of direct-developing frogs from the Mexican...

Shoshany et al. define and analyze a new model of time travel paradoxes, which is fully compatible with all known physics; the model consists of a wormhole time machine in 3+1 spacetime dimensions, which can be either permanent (existing eternally) or temporary (activated only for a short time). Image credit: Genty.

Time Travel Necessarily Implies Existence of Multiple Histories, Physicists Say

Apr 27, 2022 by The Conversation

As often portrayed in science fiction, with a time machine, nothing is permanent anymore — you can always go back and change it. But is time travel...

Conceptual image of meteoroids delivering nucleobases to ancient Earth. The nucleobases are represented by structural diagrams with hydrogen atoms as white spheres, carbon as black, nitrogen as blue and oxygen as red. Image credit: NASA’s Goddard Space Flight Center / CI Lab / Dan Gallagher.

Key Components of DNA and RNA Found in Three Meteorites

Apr 26, 2022 by News Staff

Using state-of-the-art analytical techniques, researchers have detected diverse suites of nucleobases — including canonical base pairs (e.g., adenine-uracil,...

Australian Dingoes are Early Offshoot of Modern Breed Dogs, Study Shows

Apr 25, 2022 by News Staff

Scientists have sequenced the genome of a desert dingo (Canis dingo) from a remote region of South Australia and compared it with those of five breeds...

This artist’s impression shows the evolution of the Universe beginning with the Big Bang on the left followed by the appearance of the Cosmic Microwave Background. The formation of the first stars ends the cosmic dark ages, followed by the formation of galaxies. Image credit: M. Weiss / Harvard-Smithsonian Center for Astrophysics.

Time Might Not Actually Exist, Researchers Say

Apr 22, 2022 by The Conversation

In a new book published by the Oxford University Press, Australian Catholic University’s Dr. Sam Baron and his colleagues provide the first systematic...

https://cdn.sci.news/images/2022/04/image_10734-Micronova.jpg

New Type of Nova Discovered: Micronova

Apr 21, 2022 by News Staff

A micronova is a thermonuclear blast that happens on the surface of certain stars and lasts for just a few hours making them extremely difficult to observe. This...

The classical signature of a top-quark pair produced in LHC collisions is four jets (yellow cones), one muon (red line, also detected by the CMS muon detectors as red boxes), and missing energy from a neutrino (pink arrow). Image credit: CERN.

CERN Physicists Measure Mass of Top Quark

Apr 20, 2022 by News Staff

Physicists from the CMS (Compact Muon Solenoid) Collaboration at CERN’s Large Hadron Collider (LHC) have substantially improved the precision with which...

This Hubble image shows HCG 40 (also known as Arp 321), an unusual close-knit collection of five galaxies in the constellation of Hydra. Image credit: NASA / ESA / Hubble / STScI.

NASA Marks Hubble’s 32nd Birthday with Amazing Image of Compact Galaxy Group

Apr 20, 2022 by News Staff

This small group of galaxies, called the Hickson Compact Group 40, includes three spiral galaxies, an elliptical galaxy and a lenticular galaxy. In about...

New Species of Deep-Sea Crown Jelly Discovered in Pacific Ocean

Apr 19, 2022 by News Staff

Marine biologists from the Monterey Bay Aquarium Research Institute (MBARI) have described an unusually large and distinctive deep-sea crown jelly with...

Ridges of possible aeolian origin from the Galileo Solid State Imager. Image credit: McDonald et al., doi: 10.1038/s41467-022-29682-x.

Dune-Like Features Spotted on Jupiter’s Moon Io

Apr 19, 2022 by News Staff

Jupiter’s moon Io is the most volcanically active body in the Solar System, and the body that is known to be most rapidly resurfaced. Surface modification...

This artist’s conception shows exocomets in a young planetary system. Image credit: NASA / JPL-Caltech.

Ukrainian Astronomers Spot Five New Exocomets around Beta Pictoris

Apr 18, 2022 by Sergio Prostak

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS), a team of astronomers from Ukraine has detected the transits of five comets around...

Nannaria swiftae, male holotype from Van Buren County, Tennessee. Image credit: Hennen et al., doi: 10.3897/zookeys.1096.73485.

Seventeen New Species of Millipedes Discovered

Apr 18, 2022 by News Staff

A team of entomologists from the Virginia Polytechnic Institute and State University has described 17 new species of the millipede genus Nannaria living...

Hematite tubes from the NSB hydrothermal vent deposits that represent the oldest microfossils and evidence for life on Earth. Image credit: Matthew Dodd, University College London.

Diverse Microbial Life Forms Existed At Least 3.75 Billion Years Ago, Study Confirms

Apr 14, 2022 by News Staff

In 2017, paleontologists found 3.75- to 4.28-billion-year-old microscopic filaments and tubes, which appeared to have been made by iron-loving bacteria,...

An artist’s impression of a supermassive black hole that is inside the dust-shrouded core of a starburst galaxy. Image credit: NASA / ESA / N. Bartmann.

Hubble Finds Rapidly Growing Black Hole in Early Universe

Apr 13, 2022 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope have spotted GNz7q, a black hole that existed only 750 million years after the Big Bang, in one of...

Prasophyllum morganii. Image credit: Ayre et al., doi: 10.11646/phytotaxa.528.2.1.

Orchid Species Missing for 89 Years Rediscovered in Australia

Apr 13, 2022 by Natali Anderson

Prasophyllum morganii was first collected from a single population in Victoria, Australia, in 1929, but has not been collected since 1933. Prasophyllum...