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  • More Ebola Cases Expected in U.S. But Officials Confident of Containment

    by: Karen Weintraub

    Public health officials work to quell fears about the first case diagnosed in U.S. while acknowledging that more cases are likely.
  • Aral Sea's Eastern Basin Is Dry for First Time in 600 Years

    by: Brian Clark Howard

    Once the world's fourth largest lake, the vast Asian lake was drained for irrigation.
  • Monarch Butterfly's Genes Reveal the Key to Its Long-Distance Migratio

    by: Dan Vergano

    Gene maps of monarch butterflies and related species suggest that an ice age shift explains their migrations, a study team suggests.
  • Is 2 Degrees the Right Limit for Global Warming? Some Scientists Say No

    by: Michelle Nijhuis

    We've come to think of it as the threshold of catastrophic global warming—but it's the wrong limit to set, two researchers argue.
  • Has Half of World's Wildlife Been Lost in Past 40 Years?

    by: Christine Dell'Amore

    Wildlife populations are in decline, with numbers of some animals falling by half in the past four decades, according to the 2014 Living Planet Report.
  • First Ebola Case Diagnosed in United States

    by: Karen Weintraub

    A patient in a Dallas hospital has been found to have the Ebola virus, the first time someone has been diagnosed with the disease in the United States.
  • Ocean Health Gets "D" Grade in New Global Index

    by: Brian Clark Howard

    Annual Global Ocean Health Index includes the high seas for the first time, and scientists say the score could have been worse.
  • Q&A: Veteran Volcano Climber on the Allure, Danger of Japan's "Holy Mo

    by: Kelley McMillan

    After a weekend eruption from Japan's Mount Ontake killed dozens of climbers this weekend, photographer Carsten Peter discusses the allure and danger of the pursuit.
  • Laser-Guided Sea-Monkeys Show That Tiny Animals Can Move Mountains of

    by: Jane J. Lee

    Brine shrimp following a laser beam across a tank demonstrate how tiny swimming animals can influence ocean circulation.
  • The Big Problem With Mini-Pigs

    by: Marissa Curnutte

    Mini-pigs that grow big are abandoned or euthanized. Can education, regulation, and sanctuaries solve the problem?
  • The Search for Missing Frogs Brings Some Species Back From the Dead

    by: Jane J. Lee

    A six-month search for frogs that hadn't been seen in decades brings some species back from the dead.
  • Human-Caused Climate Change Worsened Heat Waves in 2013, Study Says

    by: Brian Clark Howard

    Studies also examine less certain connections to droughts and storms.
  • Q&A: Peruvian Ecologist Vows "You Fight Until You Fall Dead"

    by: Emma Marris

    Ernesto Ráez-Luna explains why he left the government after it weakened the country's environmental laws.
  • Global Survey Says We're Eating Better, But Our Diet Is Still Unsustainable

    by: Andrea Stone

    More people are eating local and organic foods, but the planetary diet still is not sustainable.
  • John Krakauer's Stroke of Genius

    by: Cathy Newman

    John Krakauer calls current rehabilitation therapies medieval. Among his radical approaches: a cyber-dolphin named Bandit.
  • Pictures: Japanese Volcano That Killed Hikers

    by: <p>Photograph by Kyodo, Reuters</p>

    Dozens of hikers died after a volcanic eruption in central Japan over the weekend.
  • Explaining Surprise Eruption of Japan Volcano Where Dozens are Presume

    by: Dan Vergano

    Japan's Mount Ontake, which erupted this weekend, belongs to a class of "stratovolcanoes," which form where one continental plates dives beneath another and are known for erupting at unpredictable intervals.
  • China's “Supercave” Takes Title as World's Most Enormous Cavern

    by: Dan Vergano

    China now holds the world's record for largest cave chamber, a mapping team reports, overturning an old record.
  • How Burmese Elephants Helped Defeat the Japanese in World War II

    by: Simon Worrall

    A British "elephant whisperer" and his best beloved helpers waged guerrilla warfare and carried refugees to safety.
  • Where Peccaries Wallow, Other Animals Follow

    by: Emma Marris

    Peccaries are like pigs: They wallow. In the Peruvian rain forest, those mud puddles are wildlife magnets.
  • Pictures: A Century of Reading Around the World

    by: <p>Photograph by Dr. Joseph F. Rock, National Geographic Creative</p>

    Now that kids worldwide have taken up their schoolbooks once again, we dug into the National Geographic archives for a look at reading around the world.
  • In a Planet-or-Not Debate, Some Astronomers Say "Long Live Planet Plut

    by: Nadia Drake

    A recent debate at the Harvard-Smithsonian Center for Astrophysics highlights the ongoing uncertainty over how to define the word "planet."
  • Pictures: Urban Vikings Take to the Streets

    by: <p>Photograph by <span>Johan Bavman, </span>Institute</p>

    Viking reenactors from Foteviken, Sweden, descend on the nearby town of Höllviken.
  • Bird Droppings Led to U.S. Possession of Newly Protected Pacific Islands

    by: Dan Vergano

    How did remote islands, now home to the world's largest marine reserve, come into U.S. possession? The story is for the birds, the bats, and their guano.
  • In Jungles of India, New Phone App Helps Indigenous Tribes Embroiled in Maoist Insurgency

    by: Anthony Loyd

    An Indian digital activist and a student in Seattle designed a way to empower people in the remote forests of northeast India.

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