16/04/2026

Opioids and other drugs accumulating in freshwater fish

Fish living downstream of wastewater treatment plants are accumulating antidepressants, opioids and other drugs of abuse in their bodies, according to a new study. Using a new analytical method they developed, a team of researchers ...

Global warming causes Colombian glacier to disappear

Where once there was ice, only rock remains. One of the glaciers in a chain of snow-capped mountains in the Colombian Andes has vanished due to high temperatures driven by climate change.

Uranus's two outer rings show starkly different origins

Astronomers using the W. M. Keck Observatory on Maunakea, Hawaiʻi Island are revealing new insight into the composition and origins of Uranus's two outer rings. Using data from the Keck Observatory Archive (KOA), combined ...

Navigating the past with ancient stone compass needles

Magnetic rocks with iron oxide concentrations act as natural chroniclers of Earth's past continental movements. Using small samples of rocks, scientists can isolate magnetic grains that were frozen in orientation as the rock ...

Massive Atlantic sargassum blooms traced to West Africa

Massive blooms of Sargassum seaweed that have inundated coastlines across the Atlantic since 2011 likely originate off the coast of West Africa—forming years before they are visible and overturning long-standing assumptions ...

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