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Decades of exploring the seafloor have helped oceanographer Samantha Joye tackle marine issues — from the underwater movement of oil from Deepwater Horizon to the biology of remote microbial communities
Ancient rocks suggest that ice entirely covered our planet on at least two occasions. This theory may help explain the rise of complex life that followed.
For most of Earth’s history, hardly any of the mucky stuff existed on land. It finally started piling up around 458 million years ago, changing life on the planet forever.
A crunchy brown leaf may seem like an ending. But the food webs it supplies can be far more expansive than the ones it nourished when it was young, green and in its prime.
Stegosaur expert Susie Maidment is laying crucial groundwork for assigning ages to fossils from North America’s most dinosaur-rich rocks. More precise timings promise to reveal plenty about how the beasts lived and evolved through time.
Policymakers, entrepreneurs and farmers are increasingly looking to soils in their fight to slow climate change
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