An asteroid Empire State Building-sized will come close to Earth on Monday
A skyscraper-sized asteroid will pass very close to Earth this week, but it won’t pose an actual threat to our planet. The asteroid in question … The post An asteroid Empire State Building-sized will come close to Earth on Monday appeared fir.....»»
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......»»
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......»»
Compact on-chip polarimeter measures light polarization with high accuracy
Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are made of bulky components, which makes them difficult to.....»»
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.....»»
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......»»
Environmental groups challenge update to California"s low-carbon transportation rules
A coalition of environmental groups challenged California's leading climate regulator on Wednesday, alleging that a recent update to a leading climate program will create additional pollution in the state's San Joaquin Valley......»»
Here’s what we learned driving Audi’s new Q6 and SQ6 electric SUVs
Audi's mid-sized electric SUV is now on sale in the US, and we've tested it. Audi provided flights from Washington, DC, to San Francisco and accommodation so Ars could drive the Q.....»»
Sugar solution matches antibiotics in treating cow infections
A concentrated sugar solution could be just as effective as antibiotics at treating a common infection in dairy cows, according to a new study led by researchers at Penn State. The results were recently published in the journal Frontiers in Veterinar.....»»
Federal protection for monarch butterflies could help or harm this iconic species, depending on how it"s carried out
Monarch butterflies are among the most beloved insects in North America. They are brightly colored and unique, both as caterpillars and later as mature insects. Monarchs are found in every U.S. state except Alaska, so nearly everyone has seen a monar.....»»
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......»»
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.....»»
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.....»»
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......»»
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.....»»
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.....»»
Capybaras found dead from rabies on Brazilian island underline need to monitor virus
Three capybaras (Hydrochoerus hydrochaeris) died from rabies on Anchieta Island in the municipality of Ubatuba, São Paulo state, Brazil, between December 2019 and January 2020. One was found dead, and two exhibited hindlimb paralysis before dying. A.....»»
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.....»»
How one state"s repeal of a prison "pay-to-stay" law could guide national reform
Nearly every state requires incarcerated individuals to pay for room, board and basic services under so-called "pay-to-stay" laws. In 2019, Illinois became one of the first to repeal such a law—a move that prompted Brittany Friedman, assistant prof.....»»
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.....»»
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.....»»