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New Fossil Discovery Suggests Denisovans Lived in Laos 164,000-131,000 Years Ago

May 17, 2022 by News Staff

Paleoanthropologists have found a permanent lower molar of a young, likely female, hominin individual at the Tam Ngu Hao 2 limestone cave in the Annamite...

Arabidopsis thaliana in the lunar regolith. Image credit: Paul et al., doi: 10.1038/s42003-022-03334-8.

Plants Can Germinate and Grow in Lunar Soil: Study

May 12, 2022 by News Staff

Using samples brought back from NASA’s Apollo 11, 12, and 17 missions, University of Florida biologists showed that a model terrestrial plant, Arabidopsis...

This is the first image of Sagittarius A*, the supermassive black hole at the center of our Milky Way Galaxy. Image credit: EHT Collaboration.

Astronomers Capture First Image of Milky Way’s Supermassive Black Hole

May 12, 2022 by News Staff

The new image produced by the Event Horizon Telescope (EHT) Collaboration shows the area close to the event horizon of Sagittarius A* (Sgr A*), the 4.3-million-solar-mass...

830-Million-Year-Old Microorganisms Found in Australian Halite

May 11, 2022 by Enrico de Lazaro

Scientists from West Virginia University have found ancient cells of prokaryotes and eukaryotes within fluid inclusions in halite crystals from the Neoproterozoic...

An artist’s impression of the InSight lander on Mars. Image credit: NASA / JPL-Caltech.

InSight Records Most Powerful Marsquake Yet

May 11, 2022 by News Staff

On May 4, 2022, NASA’s InSight lander detected a magnitude 5 quake on Mars — the strongest ever detected on another planet. The largest previously...

An artist’s impression of the two-planet system HD 260655. Image credit: Sci-News.com.

Two Rocky Exoplanets Found Orbiting Bright Red Dwarf

May 10, 2022 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting multi-planetary system around a nearby red dwarf (M-dwarf)...

Solar Orbiter Reveals Sun’s Surface in Unprecedented Detail

May 5, 2022 by News Staff

One of the new images, taken by the Extreme Ultraviolet Imager (EUI) aboard the ESA/NASA Solar Orbiter spacecraft on March 7, 2022, is the highest resolution...

An artist’s illustration shows SN 2013ge, with its companion star at lower right. Image credit: NASA / ESA / Leah Hustak, STScI.

Majority of Massive Stars Form and Evolve as Binary Systems, New Research Suggests

May 5, 2022 by News Staff

In some supernova cases, astronomers find no trace of the former star’s outermost layer of hydrogen. What happened to the hydrogen? Suspicions that companion...

A section of the Large Magellanic Cloud, captured under normal conditions by SARAO’s MeerKAT radio telescope. It is detecting all radio light, and PSR J0523-7125 looks like just another source of radio light. Image credit: Yuanming Wang.

ASKAP Radio Telescope Discovers New Extragalactic Pulsar

May 3, 2022 by News Staff

PSR J0523-7125, a highly circularly polarized, variable, steep-spectrum pulsar located in the Large Magellanic Cloud, is the brightest extragalactic pulsar...

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...