In the Moment

Carnivorous Dinosaur Discovered in Utah Was a True Jurassic Nightmare

One of the things that really bugs me about the Jurassic Park movies is the prominent role given to Tyrannosaurus rex—a dinosaur that didn’t appear until the ensuing Cretaceous period. I am therefore thrilled to learn about Allosaurus jimmadseni, a newly described apex predator that, unlike T. rex, actually lived…

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In the Moment

14th-Century Steambath Discovered in Mexico City

Archaeologists in Mexico City have uncovered a pre-Hispanic steambath dating back to the 14th century. Its location in the city’s historic district confirms the whereabouts of a vibrant neighborhood that once stood in Tenochtitlán—an ancient urban center that eventually became Mexico City.

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In the Moment

Scientists Just Made a 3,000-Year-Old Mummy ‘Speak’

Have you ever wondered what an ancient Egyptian mummy would sound like if it could talk? A wild new scientific experiment has finally answered this burning question, but the result is perhaps less impressive (and certainly less ominous) than you might think.

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Victims of Ancient Vesuvius Eruption Were Baked, Not Vaporized, According to New Research

A novel analysis of the skeletal remains of Vesuvius victims who sought shelter during the catastrophic eruption 2,000 years ago suggests they endured a slower death than is typically appreciated.

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The Pentagon’s Plan to Pepper Space With Surveillance Satellites Is Taking Shape

New details have emerged about the Pentagon’s ambitious plan to build seven different defense constellations, the first of which will include hundreds of surveillance satellites that are expected to attain full global coverage in just six years.

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‘Walking Sharks’ Confirmed as the Newest Addition to the Shark Family Tree

Sharks have been around for a long time, emerging over 400 million years ago. New research shows that tropical ‘walking sharks’ appeared just 9 million years ago, making them the most recently evolved shark on the planet.

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World’s Oldest Known Impact Crater Confirmed in Australia

A 70-kilometer-wide (43-mile) impact structure in the Australian Outback has been dated to 2.2 billion years old, making it the oldest known asteroid crater on Earth. Fascinatingly, this asteroid likely plunged into a massive ice sheet, triggering a global-scale warming period.

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436-Million-Year-Old Scorpion Was Among the Planet’s First Air Breathers

A newly described scorpion dating back to the early Silurian period is answering important questions about the first arachnids and the adaptations that enabled some of the earliest animals on Earth to migrate from aquatic to terrestrial habitats.

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In the Moment

New Research Casts Doubt on Theory That Volcanoes Caused Dinosaur Extinction

Scientists have new evidence in their quest to settle the longstanding debate about whether it was a gigantic meteorite or massive volcanic eruptions that triggered the mass extinction that wiped out the dinosaurs.

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