Tag: sea

500-million-year-old fossil reveals how starfish got their shape

PALEONTOLOGY
A 500-million-year-old fossil from Morocco, discovered by Natural History Museum scientists, is offering extraordinary new insights into one of evolution's most puzzling transformations: how echinoderms, the group that includes starfish, sea cucumbers and sea urchins, evolved...

Mediterranean set new June temperature high on Sunday: French weather service

EARTH
The Mediterranean Sea on Sunday hit its warmest temperature on record for June at 26.01 degrees Celsius, said a French weather service scientist, citing data from EU monitor Copernicus. "We have never measured such a high daily...

Lowest levels on record for Arctic winter sea ice

OCEANOGRAPHY
The winter growth period for sea ice in the Arctic Ocean is now over, with levels at a record low. The winter ice extent...

Deep sea mining impacts visible for ‘many decades’

EARTH
Scientists said they have seen the first signs of life returning to deep sea mining tracks carved into the abyssal seabed more than four...

Sea level rise after the last ice age revealed by new geological data

EARTH
New geological data has given more insight into the rate and magnitude of global sea level rise following the last ice age, about 11,700...

Why are proposed deep-sea mining rules so contentious?

GEOLOGY
After more than a decade of negotiations, a new round of talks to finalize a code to regulate deep-sea mining in international waters begins...

Tooth size in South American sea lions reflects historical shifts in population abundance

PALEONTOLOGY
A new study published in PeerJ reveals that the teeth of South American sea lions (Otaria byronia) hold valuable clues about past population dynamics....

World’s sea ice cover hits record low in February

OCEANOGRAPHY
Global sea ice cover hit a historic low in February as the world endured exceptional heat, with temperatures near the North Pole soaring 11...

Arctic sea ice levels second lowest on record for January: US data

OCEANOGRAPHY
The sea ice in the Arctic was the second lowest on record for January last month, according to a US analysis released Tuesday, with...

The last time it was legal, exports of sea sand destroyed dozens of Indonesian islands—now, the ban is being lifted

EARTH
Over 20 years ago, then Indonesian president Megawati Soekarnoputri banned the export of sea sand from her archipelago nation. The ban was in response to...

Antarctic sea ice rebounds from record lows: US scientists

OCEANOGRAPHY
Antarctic sea ice rebounded in December after a long period of record lows, US scientists said, giving pause to speculation that Earth's frozen continent...

500,000 years of fossil records reveal climate change impacts on deep-sea ecosystems

PALEONTOLOGY
Climate change impacts not only life on land but also the largely unexplored deep-sea ecosystem, home to unique and largely unexplored fauna. Deep-sea animals,...

Ice is melting, seas are rising—how scientists are tracking the changes

OCEANOGRAPHY
Will the sea rise by 20 cm or 3 meters by 2100? This is obviously an interesting question to answer. Predicting the sea level...

Melting sea ice in Antarctica causes ocean storms, scientists say

OCEANOGRAPHY
The record-breaking retreat of Antarctic sea ice in 2023 has led to more frequent storms over newly exposed parts of the Southern Ocean, according...
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