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Science

Highlights

  2. Trilobites

    Fearsome Sharks of Today Evolved When Ancient Oceans Got Hot

    More than 100 million years ago, scientists say, warming seas and reduced oxygen may have sent some sharks higher into the water column, where they evolved to be fierce and hungry.

     By Jeanne Timmons

    An artist’s concept of a Cretaceous Period shark leaping from the sea to attack a pterosaur.
    CreditMark P. Witton/Science Source

  4. To Protect Giant Sequoias, They Lit a Fire

    After thousands of sequoias were destroyed by extreme wildfires, tribes are conducting cultural burns.

     By Jim Robbins and Eros Hoagland

    A prayer ceremony by members of the Tule River Tribe, North Fork Mono and Tubatulabal Tribe before a controlled burn at the Alder Creek Sequoia grove, the second “cultural burn” in more than a century.
    CreditEros Hoagland for The New York Times

  1. Cosmic Research Hints at Mysterious Ancient Computer’s Purpose

    Scientists used techniques from the field of gravitational wave astronomy to argue that the Antikythera mechanism contained a lunar calendar.

     By Becky Ferreira

    A piece of the so-called Antikythera Mechanism, a 2nd-century B.C. device recovered from divers in 1901 off a remote Greek island in the Aegean.
    CreditLouisa Gouliamaki/Agence France-Presse — Getty Images
    Trilobites

  2. Centuries of Avalanches Are Stored in Tree Rings

    Discovering evidence of deadly deluges of snow from the past could help protect people on mountains around the world, researchers say.

     By Katherine Kornei

    Researchers studying living pine trees near the Bankso, a ski resort in the Pirin Mountains of Bulgaria, found evidence of dozens of large avalanches that struck the area over two centuries.
    CreditBartek Wrzesniowski/Alamy
    Trilobites

  3. Richard M. Goldstein, Who Helped Map the Cosmos, Dies at 97

    Using ground-based radars, he pioneered measurement techniques that scientists now use to chart geographical changes on Earth.

     By Michael S. Rosenwald

    Richard M. Goldstein in 1965. As a graduate student at Caltech, Dr. Goldstein successfully used a newly developed radar system to detect signals from Venus.
    Creditvia Goldstein family

  4. Maxine Singer, Guiding Force at the Dawn of Biotechnology, Dies at 93

    A leading biochemist, she helped shape guidelines in the ’70s on genetic-engineering while calming public fears of a spread of deadly lab-made microbes.

     By Denise Gellene

    The biochemist Maxine F. Singer in 1989. In the 1970s, she saw both the promise and the hazards of a new process called gene splicing.
    CreditBruce Reedy, via Carnegie Science

  5. Melodies of Popular Songs Have Gotten Simpler Over Time

    A new study that reviewed Billboard hits from the past 73 years found a steady simplification of rhythm and pitch.

     By Alexander Nazaryan

    Credit

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Pets

More in Pets ›

  1. How Science Went to the Dogs (and Cats)

    Pets were once dismissed as trivial scientific subjects. Today, companion animal science is hot.

     By Emily Anthes

    Max, una mezcla de pastor alemán, malinois belga y husky de 2 años, fue fotografiado este mes en el parque Greenlake de Seattle. Max, un perro callejero que fue rescatado en un estado demacrado, participa en el Arca de Darwin, una iniciativa científica comunitaria que investiga la genética y el comportamiento de los animales.
    CreditM. Scott Brauer para The New York Times

  2. Their Job Is to Help You Grieve Your Pet

    Though still rare, social workers in animal hospitals are growing in their ranks.

     By Katie Thomas and Jamie Kelter Davis

    Claire Johnson, a veterinary social worker, left, comforted Zorro, a 16-year-old cockapoo, as he was prepared for euthanasia at MedVet, a 24-hour pet care facility in Chicago.
    Credit

  3. The Pet ‘Superheroes’ Who Donate Their Blood

    Transfusions have become an important part of veterinary medicine, but cat and dog blood is not always easy to come by.

     By Emily Anthes

    Jolie, a blood donor, giving blood at a DoveLewis Blood Bank in Portland, Ore., last month.
    CreditMichael Hanson for The New York Times

  4. Why You’re Paying Your Veterinarian So Much

    People have grown more attached to their pets — and more willing to spend money on them — turning animal medicine into a high-tech industry worth billions.

     By Katie Thomas

    Heather Massey of Carlton, Ga., with her dog, Lunabear. She is still paying off a bill for scans and care six years after her previous dog, Ladybird, was diagnosed with brain cancer.
    CreditAudra Melton for The New York Times

  5. Are We Loving Our Pets to Death?

    Pet owners are treating their animal charges ever more like humans. But that isn’t good for pets, or for us, many experts argue.

     By Linda Baker

    The proliferation of dog strollers is one sign of a trend in which pets’ lives have become constrained and dependent on humans.
    CreditGraham Dickie/The New York Times

Trilobites

More in Trilobites ›

  1. Videos Show Ants Amputating Nest Mates’ Legs to Save Their Lives

    The insects seem to know which injuries to treat as they engage in a behavior that seems almost human.

     By Annie Roth

    CreditBart Zijlstra

  2. A Trilobite Pompeii Preserves Exquisite Fossils in Volcanic Ash

    A fossil bed in the High Atlas Mountains of Morocco is allowing new insights into the anatomies of arthropods that lived a half-billion years ago.

     By Jack Tamisiea

    A ventral view of the Protolenus species 3-D reconstruction.
    CreditArnaud Mazurier/University of Poitiers

  3. If You Give a Frog a Sauna, It Might Fight Off a Deadly Fungus

    A fatal fungal disease has devastated the world’s amphibians. But the fungus has a vulnerability: It cannot tolerate heat.

     By Emily Anthes

    CreditAnthony Waddle

  4. Scientists Find First Evidence That Butterflies Crossed an Ocean

    Researchers discovered painted ladies on a South American beach and then built a case that they started their journey in Europe or Africa.

     By Monique Brouillette

    The painted lady butterfly is one of the world’s most widespread butterflies, normally moving between Europe and sub-Saharan Africa.
    CreditGerard Talavera

  5. Videos Show That Leeches Can Jump in Pursuit of Blood

    There has long been anecdotal evidence of the wormy creatures taking to the air, but videos recorded in Madagascar at last prove the animals’ acrobatics.

     By Veronique Greenwood

    Credit

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Origins

More in Origins ›

  1. How the Denisovans Survived the Ice Age

    A trove of animal bone fragments from a cave on the Tibetan plateau reveals how Denisovans thrived in a harsh climate for over 100,000 years.

     By Carl Zimmer

    Excavations at Baishiya Karst Cave on the Tibetan Plateau, where researchers say Denisovans lived for over 100,000 years, hunting or scavenging a wide range of animals that continue to live in the area.
    CreditDongju Zhang’s group/Lanzhou University

  2. How Flounder Wound Up With an Epic Side-Eye

    Flatfish offer an evolutionary puzzle: How did one eye gradually migrate to the other side?

     By Carl Zimmer

    Credit

  3. Do We Need Language to Think?

    A group of neuroscientists argue that our words are primarily for communicating, not for reasoning.

     By Carl Zimmer

    A network of regions become active when the brain retrieves words from memory, use rules of grammar, and carries out other language tasks.
    Creditvia Evelina Fedorenko

  4. Was This Sea Creature Our Ancestor? Scientists Turn a Famous Fossil on Its Head.

    Researchers have long assumed that a tube in the famous Pikaia fossil ran along the animal’s back. But a new study turned the fossil upside down.

     By Carl Zimmer

    The fossil of Pikaia, a creature that lived 508 million years ago and may have been a close relative of vertebrates.
    CreditMussini et al., Current Biology 2024

  5. Scientists Find the Largest Known Genome Inside a Small Plant

    A fern from a Pacific island carries 50 times as much DNA as humans do.

     By Carl Zimmer

    The fern’s cells contain more than 50 times as much DNA as ours do.
    CreditOriane Hidalgo

Climate and Environment

More in Climate and Environment ›

  1. Home Insurance Rates in America Are Wildly Distorted. Here’s Why.

    Climate change is driving rates higher, but not always in areas with the greatest risk.

     By Christopher Flavelle and Mira Rojanasakul

    CreditThe New York Times

  2. Find Out How Your Home Insurance Costs Compare in Our Interactive Map

    Insurance premiums are surging unevenly across the country. Your rates might be out of step with risks.

     By Mira Rojanasakul and Christopher Flavelle

    CreditThe New York Times

  3. A Brand-New Electric Bus, No Charge. (That Was One Problem.)

    In tiny Wymore, Neb., a sleek new battery-powered school bus became a Rorschach test for the future.

     By Dionne Searcey and George Etheredge

    Credit

  4. What Do Bagged Chickens Have to Do With Sliced Cheese?

    Both have gotten caught up in fights over plastic packaging. When Costco recently tried to trim its plastic use by selling rotisserie chickens in bags, some shoppers disapproved.

     By Hiroko Tabuchi

    Costco switched to thin bags from heavier clamshells, annoying some chicken lovers.
    CreditSmith Collection/Gado, via Getty Images

  5. As Solar Power Surges, U.S. Wind Is in Trouble

    A 2022 climate law was expected to set off a boom in renewable energy. So far, that’s only come partly true.

     By Brad Plumer and Nadja Popovich

    CreditThe New York Times

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  8. Should You Hug a Sloth?

    Spurred by social media, attractions where visitors interact with animals have surged. Advocates are sounding alarms.

    By Melena Ryzik

     
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