PARK RAPIDS, Minn. — The Minnesota Department of Natural Resources has confirmed the presence of zebra mussels, an aquatic invasive species, in Fish Hook Lake north of Park Rapids. In October, the DNR ...

The once green-hued waters of Cass Lake have become gin clear, a consequence of the dime-sized filter-feeders’ prodigious capacity to hoover up plankton and reproduce at astonishing rates. Credit: ...

A tiny fish is helping scientists understand how the anesthetic drug ketamine relieves depression. NPR's Jon Hamilton reports on research showing how ketamine altered the brain of a zebrafish. JON ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. OKLAHOMA CITY (KFOR) – Genetic mutations in ...

LONGVILLE, Minnesota, October 9, 2021 (ENS) – For the first time, the Minnesota Department of Natural Resources has sounded the alarm to notify the public the agency is fighting invasive zebra mussels ...

New research shows that the anesthetic ketamine keeps fish from giving up — and the way it works may help figure out how it works in humans and lead to better medications for depression. A tiny fish ...