Skipjack tuna in Miyagi Prefecture, Japan, in October. Thousands of tuna samples collected around the world from 1971 to 2022 showed mercury levels almost unchanged.
The Caribbean, seen from the International Space Station. Sponges collected deep below the surface carry chemical imprints that reflect historical water temperatures.
Experts estimate that the ship that was discovered recently along the shoreline in Newfoundland was built in the 1800s.
Icebergs calved from the Sermeq Kujalleq glacier in the Ilulissat Icefjord in Greenland in 2021.
A demonstration against seabed mining outside the Norwegian Parliament in Oslo on Tuesday.
What is that bright blue glow in the waves of Huntington Beach in California? Bioluminescent algae.
The North Sea can be turbulent. However, it’s probably not something to panic about from your couch 4,000 miles away.
A23a is a whole lot of ice. And it’s moving.
Photos showing the eruption from an underwater volcano in Japan last weekend.
A satellite image of icebergs created when an Antarctic ice shelf collapsed.