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Earth-Sized Exoplanets May Be More Common than Previously Thought

This illustration depicts an exoplanet partially hidden in the glare of its host star and a nearby companion star. Image credit: Gemini Observatory / NOIRLab / NSF / AURA / J. da Silva.
Jul 5, 2021 by News Staff

In a study to be published in the Astronomical Journal, astronomers found that many exoplanet-hosting stars identified by NASA’s Transiting Exoplanet Survey Satellite (TESS) are actually binary systems, where the planets orbit one of the stars in the pair; and that exoplanets twice the size of Earth or smaller could not be detected using the transit method when observing these binary systems. This illustration depicts an exoplanet partially hidden...

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Australopithecus anamensis

Study: Climate Change Drove Prehistoric Proboscideans to Extinction

Jul 2, 2021 by News Staff

A new study, published in the journal Nature Ecology & Evolution, challenges claims that early humans slaughtered mammoths, mastodonts and prehistoric...

This illustration shows the white dwarf ZTF J190132.9+145808.7 and the Moon. Image credit: Giuseppe Parisi.

Smallest, Heaviest Known White Dwarf Discovered

Jul 1, 2021 by News Staff

The newly-discovered white dwarf, designated ZTF J190132.9+145808.7 (ZTF J1901+1458), has a mass of 1.35 solar masses and a radius of 2,140 km (1,330 miles),...

An artist’s rendition of the hot-Jupiter exoplanet TOI-1789b. Image credit: Sci-News.com.

Inflated Hot Jupiter Found Orbiting TOI-1789

Jun 30, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting hot-Jupiter exoplanet around a slightly evolved star...

Life restoration of the koala lemur Megaladapis edwardsi. Image credit: Michael B. H. / CC BY-SA 3.0.

Researchers Sequence Genome of Extinct Giant Lemur

Jun 30, 2021 by Natali Anderson

An international team of scientists has successfully sequenced the nuclear genome of Megaladapis edwardsi, a species of megafaunal lemur that went extinct...

Las Cumbres/Hubble composite image of the electron-capture supernova SN 2018zd (the large white dot on the right) and the host starburst galaxy NGC 2146 (toward the left). Image credit: NASA / ESA / Hubble / STScI / J. DePasquale, Las Cumbres Observatory.

Astronomers Discover Third Type of Supernova

Jun 29, 2021 by News Staff

An international team of astronomers has discovered the first convincing evidence for an electron-capture supernova, which is thought to arise from the...

In healthy eyes, photopic visual acuity improved significantly after cocoa flavanols ingestion and showed a non-significant trend to an improvement with red-berries anthocyanins. Image credit: Sci-News.com.

Study: Eating Pure Cocoa Improves Visual Acuity in Daylight

Jun 29, 2021 by Natali Anderson

A duo of researchers in Spain has examined the acute effect of compounds found in cocoa and red berries on retinal functions in healthy eyes. In healthy...

This illustration shows comet Bernardinelli-Bernstein as it might look in the outer Solar System. Image credit: NOIRLab / NSF / AURA / J. da Silva.

Astronomers Discover Giant Comet in Outer Solar System

Jun 29, 2021 by News Staff

Comet Bernardinelli-Bernstein, which is between 100 and 200 km (62-124 miles) across, will make its closest approach to the Sun in 2031, according to an...

A reconstruction of Homo longi in his habitat. Image credit: Chuang Zhao.

146,000-Year-Old Archaic Human Cranium Represents New Species: Homo longi

Jun 28, 2021 by News Staff

Homo longi is phylogenetically closer to Homo sapiens than to Neanderthals or other archaic humans, according to new research described in The Innovation. A...

The 2,100-year-old Roman military camp of Lomba do Mouro in Melgaço, Portugal. Image credit: University of Exeter.

Ancient Roman Military Camp Uncovered in Portugal

Jun 28, 2021 by News Staff

The 2,100-year-old camp of Lomba do Mouro in Melgaço, Portugal, was used by around 10,000 Roman soldiers sent to conquer Northwest Iberia. The 2,100-year-old...

The fossilized remains of the Nesher Ramla hominin. Image credit: Tel Aviv University.

Nesher Ramla Hominin: Previously Unknown Type of Homo Discovered

Jun 25, 2021 by News Staff

The Nesher Ramla hominins lived between 420,000 and 120,000 years ago in the Middle East and had a distinctive combination of Neanderthal (especially the...

The postmenopausal females studied by Hernández-González et al. did not gain body weight with chocolate intake. Image credit: Sci-News.com.

High Intake of Chocolate in the Morning Could Help Burn Body Fat, Reduce Blood Glucose Levels

Jun 25, 2021 by Natali Anderson

A new study, led by Brigham and Women’s Hospital scientists, suggests that having chocolate in the morning or in the evening/night results in differential...

Denisova Cave in the Altai Mountains of southern Siberia. Image credit: Alex Demin / CC BY-SA 4.0.

Ancient DNA Analysis Sheds New Light on Occupational History of Denisova Cave

Jun 24, 2021 by News Staff

In a new study published this week in the journal Nature, an international team of researchers analyzed DNA from more than 700 sediment samples that were...

The European water vole (Arvicola amphibius). Image credit: Peter Trimming / CC BY 2.0.

Scientists Sequence Genome of European Water Vole

Jun 24, 2021 by News Staff

A team of UK researchers has decoded the complete genome of a semi-aquatic mammal called the European water vole (Arvicola amphibius). The European water...

The mottled cup moth caterpillar (Doratifera vulnerans). Image credit: Jiayi Jin.

Australian Cup Moth Caterpillars Produce Highly Complex Venom

Jun 23, 2021 by News Staff

Contrary to dogma that defensive venoms are simple in composition, mottled cup moth caterpillars (Doratifera vulnerans) produce a very complex venom containing...

The ancient Maya city of Tikal in northern Guatemala. Image credit: Gerd Eichmann / CC BY-SA 4.0.

Ancient Maya Maintained Native Tropical Forest Plants around Their Water Reservoirs

Jun 23, 2021 by News Staff

The banks of the artificial water reservoirs in Tikal, a major city of the ancient Maya world in what is now northern Guatemala, were primarily fringed...

Oxyuropoda ligioides in its 365-million-year-old continental environment (Kiltorcan, Kilkenny, Ireland). Image credit: Diane Dabir Moghaddam.

Ancient Woodlice Cousins Lived in Ireland 360 Million Years Ago

Jun 23, 2021 by News Staff

Paleontologists have performed a complete re-analysis of Oxyuropoda ligioides, a land-based peracarid crustacean first reported in 1908 from the Late Devonian...

A part of the Boltysh impact structure near the village of Bovtyshka in Kivorohrads’ka oblast, Ukraine. Image credit: Wisetus / CC BY-SA 4.0.

Giant Meteorite Landed in Ukraine 650,000 Years after Dinosaur-Killing Chicxulub Event

Jun 22, 2021 by News Staff

About 66 million years ago, a 10-km- (6.2-mile) wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. While...

The 110-million-year-old dinosaur footprints in Folkestone, Kent, southern England. Image credit: Hadland et al., doi: 10.1016/j.pgeola.2021.04.005.

UK’s Youngest Dinosaur Footprints Found

Jun 21, 2021 by News Staff

The 110-million-year-old footprints discovered in Kent, southern England, were left by three types of dinosaurs, including theropod, ornithopod, and ankylosaur...

Life reconstruction of Paraceratherium linxiaense. Image credit: Yu Chen.

Fossils of New Giant Rhino Species Found in China

Jun 18, 2021 by Enrico de Lazaro

A new species of the giant rhinoceros genus Paraceratherium has been identified from the fossilized remains found in Gansu Province, northwestern China. Life...

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