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Evidence of “snowball Earth” found in ancient rocks

An outcrop in Scotland has material from when the Earth went into a deep freeze. Enlarge / Artist's conception of the state of the Earth during its global glaciations. (credit: NASA) Earth has gone through many geologic.....»»

Category: topSource:  arstechnicaSep 13th, 2024

Ferns" ancient resilience aids modern ecosystem recovery after disasters

Scientists have suggested an updated framework for the role of ferns in environmental recovery from disaster. Instead of competing with other organisms, ferns may act as facilitators that ease the way for other plants and animals to re-establish them.....»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

Avalanches, icy explosions and dunes: NASA is tracking New Year on Mars

Instead of a winter wonderland, the Red Planet's northern hemisphere goes through an active—even explosive—spring thaw. While New Year's Eve is around the corner here on Earth, Mars scientists are ahead of the game: The Red Planet completed a tri.....»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

Shedding light on snow"s crucial role in Earth"s climate system

EU researchers are braving extreme Arctic conditions to shed light on snow's crucial role in Earth's climate system......»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

The science behind Christmas trees: How conifers brave winter"s worst

As the festive season approaches, evergreen conifers like spruce and pine adorn homes worldwide. But while Christmas trees bring warmth and joy into our lives, they endure some of the harshest conditions on Earth in their natural habitats......»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

Russia-Ukraine War"s unexpected casualties: Hungry people in distant nations

The war in Ukraine is causing hunger thousands of miles from the battlefields, according to a study in Communications Earth & Environment. Nearly three years of war in the "breadbasket of the world" has left croplands destroyed and forced laborers wh.....»»

Category: topSource:  physorgRelated NewsDec 20th, 2024

Denali Fault found to have torn apart ancient joining of two landmasses

New research shows that three sites spread along an approximately 620-mile portion of today's Denali Fault were once a smaller united geologic feature indicative of the final joining of two land masses. That feature was then torn apart by millions of.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Study reveals flies more vulnerable than bees to climate change

Despite their reputation as buzzing nuisances, flies serve a critical role as some of the Earth's most prolific pollinators—and new research led by Penn State scientists suggests they are increasingly at risk due to rising global temperatures......»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Climate change could trigger more earthquakes, study suggests

A recent Colorado State University study published in the journal Geology demonstrates that climate change can affect the frequency of earthquakes, adding to a small but growing body of evidence showing that climate can alter the seismic cycle......»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Apollo lunar mission samples reveal origins of lunar water and its connection to Earth"s early history

A team of international scientists has unveiled groundbreaking research on the origins of lunar water, offering insights that could reshape our understanding of the Earth-moon system and the broader solar system. Published in the journal Proceedings.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Ancient Mars" thick crust could have supported hidden water reservoirs and rare magmas, new research suggests

A new study explores how variations in Mars' crustal thickness during its ancient history may have influenced the planet's magmatic evolution and hydrological systems. The research, published in Earth and Planetary Science Letters, suggests that the.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

Extended chart of life shows ancient species may have evolved slower and lasted longer

If all the world's a stage and all the species merely players, then their exits and entrances can be found in the rock record. Fossilized skeletons and shells clearly show how evolution and extinction unfolded over the past half a billion years, but.....»»

Category: topSource:  pcmagRelated NewsDec 19th, 2024

M4 Mac mini proves Apple has fixed its biggest mistakes of the past

Apple’s M4 Mac mini is a surprisingly and wildly successful product. Per our homepage poll, it’s readers’ favorite product of the year—by far. Why is it such a hit? Because it’s the strongest evidence yet that Apple has learned from past mi.....»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

Why does family violence increase during the festive season? Here are three contributing factors

While the holiday season is supposed to be a happy time, evidence suggests it's one of the worst times of year for domestic and family violence......»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

Arctic Ocean reveals unexpected variety in hydrothermal vent formations

A new study about Earth's northernmost seafloor hydrothermal system shows even more variety in vent styles than previously thought......»»

Category: topSource:  theglobeandmailRelated NewsDec 19th, 2024

NASA payload aims to probe moon"s depths to study heat flow

Earth's nearest neighboring body in the solar system is its moon, yet to date, humans have physically explored just 5% of its surface. It wasn't until 2023—building on Apollo-era data and more detailed studies made in 2011–2012 by NASA's automate.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Arctic Siberia summers were up to 10°C warmer than today during the Last Interglacial, study finds

Interglacials are, as the name suggests, warm periods between planetary glaciations when the expanse of ice on Earth shrinks. Currently, we are in an 11,000 year-long interglacial period known as the Holocene. Prior to this, the Last Interglacial occ.....»»

Category: topSource:  physorgRelated NewsDec 19th, 2024

Massive volcanic eruptions did not cause the extinction of dinosaurs, say climate scientists

Massive volcanic eruptions on the Indian peninsula have long been proposed as an alternative cause for the demise of the dinosaurs. This phase of active volcanism took place in a period just before Earth was struck by a meteorite, 66 million years ag.....»»

Category: topSource:  informationweekRelated NewsDec 18th, 2024

New radar algorithm reveals hidden dance of ionospheric plasma

At night, charged particles from the sun caught by Earth's magnetosphere rain down into the atmosphere. The impacting particles rip electrons from atoms in the atmosphere, creating both beauty and chaos. These high-energy interactions cause the north.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Researchers explore, sample and interpret lunar volatiles in polar cold traps

The moon has both a South and North Pole, but just how cold are they? For context, Antarctica's coastal temperatures average around 14°F (-10°C), while the interior drops to -76°F (-60°C), making Earth's South Pole one of the coldest places on th.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Astronaut-on-a-chip: Multi-organ tissue chips simulate space radiation"s impact on human health

As astronauts venture further into space, their exposure to harmful radiation rises. Researchers from Columbia University are simulating the effects of space radiation here on Earth to determine its impact on human physiology using multi-organ tissue.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024