Yellowstone’s Wolves: A Debate Over Their Role in the Park’s Ecosystem
New research questions the long-held theory that reintroduction of such a predator caused a trophic cascade, spawning renewal of vegetation and spurring biodiversity.
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CreditDiane Renkin/National Park Service Bird Flu Is Infecting More Mammals. What Does That Mean for Us?
H5N1, an avian flu virus, has killed tens of thousands of marine mammals, and infiltrated American livestock for the first time. Scientists are working quickly to assess how it is evolving and how much of a risk it poses to humans.
By Apoorva Mandavilli and
CreditSebastian Castaneda/Reuters Generative A.I. Arrives in the Gene Editing World of CRISPR
Much as ChatGPT generates poetry, a new A.I. system devises blueprints for microscopic mechanisms that can edit your DNA.
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Credit Carbon Dioxide Levels Have Passed a New Milestone
There’s 50 percent more carbon dioxide in the air than before the Industrial Revolution.
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CreditThe New York Times
Like Moths to a Flame? We May Need a New Phrase.
Over time researchers have found fewer of the insects turning up in light traps, suggesting they may be less attracted to some kinds of light than they once were.
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CreditAnton Sorokin/Alamy TrilobitesThe Magnetic Heart of the Milky Way
A new map of the center of the Milky Way galaxy reveals details of its magnetic fields
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Credit Out ThereThis Lava Tube in Saudi Arabia Has Been a Human Refuge for 7,000 Years
Ancient humans left behind numerous archaeological traces in the cavern, and scientists say there may be thousands more like it on the Arabian Peninsula to study.
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CreditPalaeodeserts Project TrilobitesYour Brain Waves Are Up for Sale. A New Law Wants to Change That.
In a first, a Colorado law extends privacy rights to the neural data increasingly coveted by technology companies.
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CreditWinni Wintermeyer for The New York Times An 11-Year-Old Girl’s Fossil Find Is the Largest Known Ocean Reptile
When Ruby Reynolds and her father found a fossil on an English beach, they didn’t know it belonged to an 82-foot ichthyosaur that swam during the days of the dinosaurs.
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CreditSergey Krasovskiy Trilobites
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April 8, 2024 Total Solar Eclipse
More in April 8, 2024 Total Solar Eclipse ›Highlights From the Total Solar Eclipse’s Dark Path Through the U.S., Mexico and Canada
People all over North America spent the afternoon awed by the movement of the moon’s shadow, the last time it will pass through so much of the continent until the 2040s.
Credit The Eclipse Across North America
What people in the path of totality were seeing and saying as the eclipse unfolded across the continent.
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CreditRenaud Philippe for The New York Times See the Total Solar Eclipse’s Shadow From Space
An American weather satellite is capturing the movement of the moon’s shadow across North America during the total eclipse of the sun on Monday.
By K.K. Rebecca Lai and
CreditThe New York Times Fjords, Pharaohs or Koalas? Time to Plan for Your Next Eclipse.
If you can’t get enough of totality, or missed out this time, you’ll have three more chances in the next four years in destinations like Iceland, Spain, Egypt and Australia.
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CreditCassandra Klos for The New York Times Did You Really Need to Be There to See the Eclipse?
For much of the 20th century, Rochester, N.Y., was the “imaging capital of the world.” For three and a half minutes on Monday, it was living up to its old nickname.
By Christopher Valentine and
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Trilobites
More in Trilobites ›A Surprising Shadow Was Created by the Total Solar Eclipse
An ascending jet’s contrail over Montreal added to the wonder of last Monday’s eclipse.
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CreditNasuna Stuart-Ulin Ancient Foxes Lived and Died Alongside Humans
Extinct foxes and other animals were an important part of early South American communities, a new study has found.
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CreditJorge Blanco New Method That Pinpoints Wood’s Origin May Curb Illegal Timber
The study could help identify wood from Russia, which has been banned by many countries because of the war.
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CreditAlexey Malgavko/Reuters How a Snake Uses Its Sense of Smell
These reptiles and their social networks are understudied, according to researchers applying scents to different snakes to assess their behavior.
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Credit Long Before Amsterdam’s Coffee Shops, There Were Hallucinogenic Seeds
A nearly 2,000-year-old stash pouch provides the first evidence of the intentional use of a powerful psychedelic plant in Western Europe during the Roman Era.
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Origins
More in Origins ›¿Por qué las mujeres padecen más enfermedades autoinmunes? Un estudio apunta al cromosoma X
Las moléculas que se adhieren al segundo cromosoma X de las mujeres lo silencian y pueden confundir al sistema inmunitario, según un nuevo estudio.
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CreditBiophoto Associates/Science Source Fossil Trove From 74,000 Years Ago Points to Remarkably Adaptive Humans
An archaeological site in Ethiopia revealed the oldest-known arrowheads and the remnants of a major volcanic eruption.
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CreditBlue Nile Survey Project Why Do Whales Go Through Menopause?
A new study argues that the change brought these females an evolutionary advantage — and perhaps did the same for humans.
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CreditLouise Johns for The New York Times Tras la pista de los denisovanos
El ADN ha demostrado que esos humanos ya extintos se extendieron por todo el mundo, desde la fría Siberia hasta el Tíbet, a una gran altitud, quizá incluso en las islas del Pacífico.
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CreditMaayan Harel/Universidad Hebrea en Jerusalén, vía Associated Press On the Trail of the Denisovans
DNA has shown that the extinct humans thrived around the world, from chilly Siberia to high-altitude Tibet — perhaps even in the Pacific islands.
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CreditMaayan Harel/Hebrew University in Jerusalem, via Associated Press
Climate and Environment
More in Climate and Environment ›Three Places Changing Quickly to Fight Climate Change
Paris is becoming a city of bikes. Across China, people are snapping up $5,000 electric cars. On Earth Day, a look at a few bright spots for emission reductions.
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CreditLudovic Marin, Nicolas Garcia and Jade Gao/Agence France-Presse — Getty Images Is Online Shopping Bad for the Planet?
In theory, getting deliveries can be more efficient than driving to the store. But you may still want to think before you add to cart.
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CreditNaomi Anderson-Subryan Carbon Dioxide Levels Have Passed a New Milestone
There’s 50 percent more carbon dioxide in the air than before the Industrial Revolution.
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CreditThe New York Times ‘Discomfort May Increase’: Asia’s Heat Wave Scorches Hundreds of Millions
April is typically hot in South and Southeast Asia, but temperatures this month have been unusually high.
By Saif Hasnat and
CreditKazi Salahuddin Razu/NurPhoto, via Getty Images The U.S. Urgently Needs a Bigger Grid. Here’s a Fast Solution.
A rarely used technique to upgrade old power lines could play a big role in fixing one of the largest obstacles facing clean energy, two reports found.
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CreditJim Wilson/The New York Times
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A Brewery Worker’s Drunken Driving Defense: His Stomach Made the Alcohol
A 40-year-old man was acquitted of a drunken driving offense after doctors confirmed he had a rare condition: auto-brewery syndrome.
By Ali Watkins
How Do We Know What Animals Are Really Feeling?
Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives.
By Bill Wasik and Monica Murphy
Abortion Data Wars: States and Cities Debate How Much Information to Collect
Some states with Republican-controlled legislatures want more data, while some controlled by Democrats want less, fearing it could be used to target patients or providers.
By Pam Belluck and Emma G. Fitzsimmons
Lori and George Schappell, Long-Surviving Conjoined Twins, Die at 62
They were distinct people who pursued different lives. “Get past this already, everybody,” Lori said, “get past it and learn to know the individual person.”
By Richard Sandomir
the new old age‘Aging in Place, or Stuck in Place?’
Homeownership is not the boon to older Americans that it once was.
By Paula Span
Lasers, Inflatable Dancers and the Fight to Fend Off Avian Flu
Some poultry growers are turning to innovative tactics to protect their flocks, deploying deterrents like drones, air horns, balloons and decoy predators.
By Linda Qiu
Scientists Fault Federal Response to Bird Flu Outbreaks on Dairy Farms
Officials have shared little information, saying the outbreak was limited. But asymptomatic cows in North Carolina have changed the assessment.
By Apoorva Mandavilli and Emily Anthes
Scotland Made Big Climate Pledges. Now They’re ‘Out of Reach.’
Despite significant progress, Scotland was falling short on cutting vehicle emissions, switching to heat pumps and even restoring peatland, the government said.
By Somini Sengupta
Watch the Lyrid Meteor Shower Reach Its Peak
A nearly full moon could interfere with the shower during its peak. It is forecast to be active until near the end of the month.
By Katrina Miller
Mental Health and Substance Use Disorders Often Go Untreated for Parents on Medicaid
Among those with substance use disorders who have been referred to child welfare, less than half received medication or counseling.
By Emily Baumgaertner
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