*Yorkicystis*, the 500 million-year-old relative of starfish that lost its skeleton

The discovery of a unique 510 million-year-old fossil in a Pennsylvania churchyard offers new clues into how early life evolved on Earth.

Samuel Zamora, Científico Titular (Paleontólogo), Instituto Geológico y Minero de España (IGME - CSIC) • conversation
May 24, 2022 • ~8 min

Underwater videos could help explain why thousands of starfish are stranded on Welsh beaches

Thousands of starfish are dying of Welsh beaches but videos may help explain why.

Emma Sheehan, Associate Professor of Marine Ecology, University of Plymouth • conversation
Jan. 6, 2022 • ~5 min

Starfish: rare fossil helps answer the mystery of how they evolved arms

New study sheds light on how the starfish evolved.

Aaron W Hunter, Science Guide & Tutor, Dept. of Earth Sciences, University of Cambridge • conversation
Jan. 20, 2021 • ~6 min

Predator overlap keeps prey from getting out of control

Sea urchins boomed after a mysterious disease decimated sea stars off the California coast. Researchers say it shows how redundancy can protect ecosystems.

Harrison Tasoff-UC Santa Barbara • futurity
Feb. 13, 2020 • ~9 min

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