Fossils
Ancient jellyfish? Upside down this one looks like something else
A new look at an ancient sea animal called Essexella suggests it may have been a type of burrowing sea anemone, not a floating jelly.
By Meghan Rosen
Earth
More Stories in Earth
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EnvironmentOlder diesel school buses linked to more student absences
Schools that replaced or upgraded old diesel school buses increased student attendance rates, new research shows.
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EnvironmentMaking yards more diverse can reap big environmental benefits
Replacing grass with native plants uses less water and fewer chemicals while providing additional benefits to people and wildlife.
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EarthUnder the ice, a hidden lake hints at its origin — and coming end
Lake Mercer may serve as a model for better understanding the birth and life of Antarctica’s hundreds of subglacial lakes.
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EarthA natural ‘cathedral’ lurks deep under Antarctic ice
By drilling into this cavern, scientists have opened a window into the mysterious world of hidden lakes, their occupants — and rivers that run uphill.
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EarthOne collision could have formed the moon and started plate tectonics
A hypothetical planet slamming into Earth 4.5 billion years ago might have set subduction into motion.
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PlanetsResearch on exoplanets took top award at 2023 Regeneron ISEF
Six young researchers took home the top awards, each valued at a minimum of $50,000. Hundreds more shared nearly $9 million in prizes at international event.
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TechNew technologies could keep people cool in a warming world
New approaches to air conditioning aim to keep people cool with fewer greenhouse-gas emissions as our world warms.
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FossilsOcean life may have bounced back after the ‘Great Dying’
Marine ecosystems may have been back in action just a million years after the most severe extinction event known.
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EcosystemsLet’s learn about how wildfires keep ecosystems healthy
Wildfires are so important for many ecosystems that sometimes professionals set them on purpose.