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Researchers Find Organic Matter and Water in Sample from Asteroid Itokawa

The S-type asteroid Itokawa. Image credit: JAXA.
Mar 5, 2021 by News Staff

An international team of scientists has studied both the water and organic contents from a dust particle recovered from the surface of the near-Earth S-type asteroid 25143 Itokawa by JAXA’s Hayabusa mission, which was the first mission that brought pristine asteroidal materials to Earth. The S-type asteroid Itokawa. Image credit: JAXA. “Understanding the earliest chemical reactions involving liquid water provides crucial insights to how simple...

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Hot Super-Earth Discovered 26 Light-Years Away

Mar 5, 2021 by News Staff

Astronomers from the CARMENES (Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs) consortium...

Nightside of Hot Super-Earth LHS 3844b is Tectonically Active: Study

Mar 4, 2021 by News Staff

LHS 3844b’s hemispheric tectonics is the direct consequence of a significant temperature contrast between its day- and nightside and is absent in the...

The common cuttlefish (Sepia officinalis). Image credit: Roger Hanlon.

Cuttlefish Pass Fishy Version of ‘Marshmallow Test’

Mar 4, 2021 by News Staff

New research led by the University of Cambridge and the Marine Biological Laboratory demonstrates that common cuttlefish (Sepia officinalis) can tolerate...

A male superb lyrebird (Menura novaehollandiae). Image credit: Alex Maisey, University of Wollongong.

Male Superb Lyrebirds Imitate Alarm Calls of Mobbing Flocks to Lure Potential Mates

Mar 3, 2021 by News Staff

During their song and dance displays, male superb lyrebirds (Menura novaehollandiae) create an elaborate acoustic illusion of a mixed-species flock of...

Researchers Observe ‘Space Hurricane’ in Earth’s Ionosphere

Mar 2, 2021 by News Staff

Hurricanes in the Earth’s low atmosphere are well known; however, disturbances resembling hurricanes had never before been detected in the upper atmosphere. An...

Life reconstruction of Dzharatitanis kingi. Image credit: Alexander Averianov.

New Sauropod Dinosaur Discovered in Uzbekistan

Mar 2, 2021 by Enrico de Lazaro

Paleontologists have identified a new genus and species of rebbachisaurid dinosaur from a fossil uncovered in Uzbekistan. Life reconstruction of Dzharatitanis...

Shortly after the end-Cretaceous mass extinction, the earliest known primates, such as Purgatorius mckeeveri shown in the foreground, quickly set themselves apart from their competition -- like the archaic ungulate mammal on the forest floor -- by specializing in an omnivorous diet including fruit found up in the trees. Image credit: Andrey Atuchin.

65-Million-Year-Old Primate Fossils Uncovered in Montana

Mar 1, 2021 by News Staff

Paleontologists in the United States have discovered and analyzed the fossilized remains from two species of Purgatorius, the oldest genus in a group of...

Ninjatitan zapatai. Image credit: Jorge González.

Paleontologists Discover Oldest Known Titanosaur

Mar 1, 2021 by Enrico de Lazaro

Ninjatitan zapatai lived approximately 140 million years ago (Early Cretaceous epoch) in what is now Patagonia, Argentina. Ninjatitan zapatai. Image credit:...

Reconstruction of the cave bear (Ursus spelaeus). Image credit: Sergio de la Larosa / CC BY-SA 3.0.

360,000-Year-Old DNA Sheds New Light on Evolutionary History of Cave Bears

Feb 25, 2021 by News Staff

An international team of researchers has extracted and sequenced DNA from a 360,000-year-old petrous bone of the extinct cave bear Ursus kudarensis found...

Canadian Eskimo dogs. Illustration by John James Audubon and John Bachman (1845-1848).

Researchers Sequence Mitochondrial Genome of Early Dog from Alaska

Feb 24, 2021 by News Staff

Scientists have extracted and sequenced mitochondrial DNA from a partial femur of an ancient dog that lived in Alaska 10,150 years ago. Their results,...

A view of the accretion disk around the supermassive black hole, with jet-like structures flowing away from the disk. The extreme mass of the black hole bends spacetime, allowing the far side of the accretion disc to be seen as an image above and below the black hole. Image credit: Science Communication Lab, DESY.

Astrophysicists Detect High-Energy Neutrino from Tidal Disruption Event

Feb 24, 2021 by News Staff

The majority of supermassive black holes lie dormant and starved of fuel; these hidden giants can be temporarily illuminated when an unlucky star passes...

Captive Pedetes capensis photographed under visible light (three insets) and under 395 nm UV light with a 470 nm longpass filter to documenting the orange to red biofluorescence ( 650 nm) of springhare. Images contain two different captive-bred, captive individuals (female -- bottom two larger images under ultraviolet light; male -- all remaining images) from the Omaha’s Henry Doorly Zoo & Aquarium in Omaha, Nebraska, the United States. Image credit: Olson et al., doi: 10.1038/s41598-021-83588-0.

Springhares Glow Orange and Red under Ultraviolet Light

Feb 23, 2021 by Natali Anderson

Scientists have discovered a vivid porphyrin-based biofluorescence in two species of springhares, Pedetes capensis and Pedetes surdaster. Captive Pedetes...

A naturalistic painting of a kangaroo in Australia. Image credit: Peter Veth / Balanggarra Aboriginal Corporation / Pauline Heaney.

Australia’s Oldest Known Rock Painting is a Kangaroo

Feb 23, 2021 by News Staff

A 2-m- (6.6-foot) long painting of a kangaroo in a rock shelter in the north-eastern Kimberley region of Western Australia is dated to between 17,500...

An artist’s impression of the super-Earth planet Gliese 740b and its parent star. Image credit: Sci-News.com.

Hot Super-Earth Found around Gliese 740

Feb 22, 2021 by Natali Anderson

A team of astronomers from Spain, Italy and Germany has discovered a short-period super-Earth exoplanet circling the nearby red dwarf Gliese 740. An artist’s...

Barite associated with originally sulfidic stromatolites in the Dresser mine in Western Australia. Image credit: Mißbach et al., doi: 10.1038/s41467-021-21323-z.

Researchers Find Ingredients for Microbial Life in 3.5-Billion-Year-Old Rocks

Feb 19, 2021 by Enrico de Lazaro

A team of geobiologists from Germany has found biologically-relevant primordial organic molecules and gases in fluid inclusions trapped in 3.5-billion-year-old...

Perseverance’s first image (colorized) from Jezero Crater, Mars. Image credit: NASA’s Jet Propulsion Laboratory.

NASA’s Perseverance Rover Successfully Lands on Mars

Feb 19, 2021 by News Staff

After a 203-day journey, NASA’s car-sized Perseverance rover successfully landed in Jezero Crater on Mars on February 18, 2021. Confirmation of the successful...

This illustration shows NASA’s Mars 2020 spacecraft carrying the Perseverance rover as it approaches Mars. Image credit: NASA / JPL-Caltech.

NASA’s Perseverance Rover to Land on Mars Today: Watch Live

Feb 18, 2021 by News Staff

NASA’s Perseverance rover, with the Ingenuity helicopter attached to its belly, is on target to touch down gently in Jezero Crater on Mars around 3:55...

Life reconstruction of the steppe mammoth (Mammuthus trogontherii). Image credit: Beth Zaiken / Centre for Palaeogenetics.

Researchers Sequence 1.2-Million-Year-Old Mammoth DNA

Feb 17, 2021 by News Staff

An international team of scientists has sequenced and analyzed DNA from three mammoth specimens, two of which are more than one million years old. The...

Astronomers Find Two-Planet System around Backward-Spinning Star

Feb 17, 2021 by Natali Anderson

K2-290A, the primary star in the triple stellar system K2-290, is tilted by 124 degrees compared with the orbits of both of its known planets, and has...

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