New Evidence Points to Asteroid as Cause of Dinosaur Extinction
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
New Evidence Points to Asteroid as Cause of Dinosaur Extinction

Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.

Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.

plankton
A Last-Minute Science Dash to an Erupting Volcano
A Last-Minute Science Dash to an Erupting Volcano
Jef Akst | Dec 1, 2019
Researchers plan an oceanographic expedition to understand why a phytoplankton bloom developed as molten lava flowed into the sea east of Hawaii's Big Island.
Mixing It Up in the Web of Life
Mixing It Up in the Web of Life
Rodrigo Pérez Ortega | Feb 5, 2019
Many types of marine plankton are either animal-like or plant-like. But a huge number are both, and they are upending ideas about ocean ecology.
Image of the Day: Glowing Tide
Image of the Day: Glowing Tide
The Scientist Staff, The Scientist Staff | May 10, 2018
Each year, bioluminescent microorganisms create striking displays on the beaches of San Diego.
Tiny Shrimp Mix Up the Ocean
Tiny Shrimp Mix Up the Ocean
Catherine Offord | Apr 18, 2018
Crowds of zooplankton swimming upward generate large downward jets of water, a study finds.
Giant Plankton May Help Move Plastic Pollution to Sea Floor
Giant Plankton May Help Move Plastic Pollution to Sea Floor
Bob Grant | Aug 16, 2017
Researchers show that pinkie-size marine organisms can ingest and poop out microplastics, potentially transporting them to the depths.
Nine Decades of Environmental Change Resurrected From Swedish Seas
Nine Decades of Environmental Change Resurrected From Swedish Seas
Claire Asher | Jul 16, 2017
Scientists bring marine plankton back to life to study past climate change.
Image of the Day: Saltwater Survivors
Image of the Day: Saltwater Survivors
The Scientist Staff | Jan 8, 2017
When road deicing salt enters freshwater ecosystems, prey species such as Daphnia pulex can rapidly evolve tolerance to the contaminant, buffering their local food webs from the impacts of salination.
Sugar Time
Sugar Time
Catherine Offord | Feb 29, 2016
Metabolic activity, not light, drives the circadian clock in cyanobacteria.
Behavior Brief
Behavior Brief
Amanda B. Keener | Sep 2, 2015
A round-up of recent discoveries in behavior research