An international team of scientists believes it has solved the mystery of how eggs got their shapes. Frans Lanting/Mint Images RM/Getty Images hide caption

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Frans Lanting/Mint Images RM/Getty Images

How Do Eggs Get Their Shapes? Scientists Think They've Cracked It

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Max Planck Institute paleoanthropologist Jean-Jacques Hublin examines the new finds at Jebel Irhoud, in Morocco. The eye orbits of a crushed human skull more than 300,000 years old are visible just beyond his fingertip. Shannon McPherron/Nature hide caption

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Shannon McPherron/Nature

315,000-Year-Old Fossils From Morocco Could Be Earliest Recorded Homo Sapiens

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What Are The Ramifications Of The U.S. Leaving The Climate Accord?

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Morning News Brief: U.S. Pulls Out Of International Climate Accord

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President Trump Decides To Pull U.S. Out Of Paris Climate Agreement

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President Trump Expected To Make Decision On Paris Climate Accord

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Market Forces May Impact Emissions More Than Climate Agreements

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UMCES chemist Michael Gonsior gathers water samples from Cocktown Creek in Maryland. Andrew Heyes/Courtesy of University of Maryland Center for Environmental Science hide caption

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Andrew Heyes/Courtesy of University of Maryland Center for Environmental Science

Trump's Budget Would Eliminate A Key Funder Of Research On Coastal Pollution

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Cars line up at the south entrance to Zion National Park in Utah, bringing with them the urban soundscape. Education Images/UIG via Getty Images hide caption

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Education Images/UIG via Getty Images

America's Protected Natural Areas Are Polluted, By Noise

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Coal is piled up at the Gallatin Fossil Plant in Gallatin, Tenn. Mark Humphrey/AP hide caption

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Mark Humphrey/AP

Environmentalists, Coal Companies Rally Around Technology To Clean Up Coal

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(Left) A close-up view of a spirally fractured mastodon femur. (Right) A boulder discovered at the Cerutti Mastodon site in San Diego County thought to have been used by early humans as a hammerstone. Tom Démeré/San Diego Natural History Museum hide caption

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Tom Démeré/San Diego Natural History Museum

New Evidence Suggests Humans Arrived In The Americas Far Earlier Than Thought

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Native westslope cutthroat trout swim in the north fork of the Flathead River in northwestern Montana. However, cutthroat trout populations are threatened by hybridization from mating with rainbow trout. Jonny Armstrong/USGS hide caption

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Jonny Armstrong/USGS

In The Rockies, Climate Change Spells Trouble For Cutthroat Trout

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NET Power has built carbon capture technology into its power plant outside Houston, which will generate electricity by burning natural gas. The demonstration project should be fully operational later this year, according to NET Power. Courtesy of NET Power hide caption

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Courtesy of NET Power

Natural Gas Plant Makes A Play For Coal's Market, Using 'Clean' Technology

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A white-throated round-eared bat (Tonatia silvicola) catches — and munches — a katydid on Barro Colorado Island in Panama. Katydids are "the potato chips of the rain forest," scientists say. Christian Ziegler/ Minden Pictures/Getty Images hide caption

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Christian Ziegler/ Minden Pictures/Getty Images

Sound Matters: Sex And Death In The Rain Forest

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Some In Corporate America Push Back On Trump's Climate Regulations Roll Back

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