TOPICSOcean

Ocean

Dives with Visual Observations Concentration in the Pacific Ocean
Earth

Humans have observed less than 0.001% of the deep seafloor

Pranjal Malewar

This total area is roughly the size of Rhode Island or one-tenth the size of Belgium.

Penetrating seawater carries bacteria that form colonies – biofilm
Science

Study reveals mechanisms behind decomposition of concrete in road tunnels

Pranjal Malewar

Research reveals the mechanisms behind the degradation, and its unexpectedly rapid progression.

Earths core
Earth

Earth’s first crust mirrors the chemistry of modern continents

Amit Malewar

Earth's first crust composition discovery rewrites geological timeline.

Shore covered in the grass
Environment

Global sea level rise accelerates in 2024

Pranjal Malewar

Last year’s increase was due to an unusual amount of ocean warming

Scientists call for efforts to protect habitats of critically endangered shark species
Environment

Climate change threatens rare Whitefin Swellshark with habitat loss

Pranjal Malewar

Critical action is needed to save endangered shark habitats

Oceanic blacktip shark, Protea Banks, South Africa.
Science

Shark activity: Insights from scuba diver sightings

PLOS

Shark sightings displayed clear seasonal patterns and positive trends over six years.

Example photo of a humpback whale fluke from which identification of individuals is enabled through distinction of fluke shape and coloration.
Environment

Eavesdropping on whale songs reveals ecosystem changes

PLOS

Variation in detected whale songs is linked with shifting food sources.

Earth’s acid test
Earth

Ocean acidity delayed early life formation by 500 million years

Amit Malewar

Earth’s acid test.

Enceladus the moon of Saturn Solar System
Space

Alien oceans could prevent evidence of deep-sea life

Amit Malewar

Searching for life in alien oceans may be more difficult than scientists previously thought.

Earth's lower mantle
Earth

Are there lost worlds in earth’s interior?

Amit Malewar

This indicates the presence of zones of rocks that are colder.

Prochlorococcus
Science

How Prochlorococcus’ nightly cross-feeding regulates carbon in the ocean?

Pranjal Malewar

An abundant phytoplankton feeds a global network of marine microbes.

The amount of sea ice in the Arctic region is declining at unprecedented rates.
Earth

The first ice-free day in the Arctic Ocean could occur as early as 2027

Ashwini Sakharkar

Countdown to an ice-free Arctic.

Artistic representation of Mediterranean basin
Earth

Researchers identify two phases of Mediterranean’s 70% Water Loss

Amit Malewar

During the Messinian Salinity Crisis (MSC) 5.96 to 5.33 million years ago, the Mediterranean Sea was cut off from the Atlantic Sea, which led...

SWOT data visualization
Earth

Satellite spots planet-rumbling Greenland tsunami

Pranjal Malewar

The tsunami generated a seismic rumble that reverberated around the world for nine days.

Meteorite Approaching to the Earth
Earth

What impact did a meteorite the size of four Mount Everests have on Earth?

Pranjal Malewar

Giant impact had silver lining for life, according to new study.

Gillnet Fishers from Mkunguni, Kenya.
Science

Better oceanographic connectivity improves reef fish populations

Ashwini Sakharkar

Oceanographic connectivity is a key influence on fish abundance across the Western Indian Ocean.

Tropical Underwater vegetation
Science

Nanostructures in deep ocean floor reveal clues about origins of life

Ashwini Sakharkar

These nanostructures are self-organized and act as selective ion channels.

European flat oysters
Science

Oyster reefs destroyed over a century ago, new research shows

Pranjal Malewar

Research from the University of Exeter and the University of Edinburgh reveals that extensive oyster reefs once thrived along Europe's coastlines but were largely...

Earth

Evidence of an ancient seafloor that sank deep into Earth

Pranjal Malewar

Ancient sunken seafloor reveals earth’s deep secrets.

An “invisible forest” of phytoplankton is thriving in part of our warming ocean.
Science

‘Invisible forest’ of algae is thriving in our warming ocean

Ashwini Sakharkar

The study highlights the limitations of satellite observations.

Shark in ocean along with small fishes
Science

The impact of climate change on marine animals

PLOS

Study of 21,000 marine animals finds many coastal regions are also at greater risk than previously realized.

nature landscape
Environment

‘Marine identity’ can help society’s relationship with the ocean

Ashwini Sakharkar

People's deep connection with the ocean.

Florida current
Environment

One of the world’s fastest ocean currents is remarkably stable

Pranjal Malewar

Study challenges previous assertions of Gulf Stream slowdown.

Researchers use a new technique called SMIRC to collect microbial natural products.
Earth

Researchers develop new technique to explore oceanic microbes

Ashwini Sakharkar

It could be the first step in uncovering compounds that lead to next-generation antibiotics.

Where's the water
Space

Planets contain more water than thought

Amit Malewar

Magma soup with water and iron.

Weaker ocean circulation could enhance CO2 buildup in the atmosphere.
Environment

Weaker ocean circulation could release more carbon into the atmosphere

Ashwini Sakharkar

New findings challenge current thinking on the ocean's role in storing carbon.

The temperature measurement at the outflow opening of the black smoker revealed fluid temperatures greater than 300°C. In addition to this active smoker, numerous different types of vent emissions were identified in the newly discovered Jøtul hydrothermal field.
Science

Researchers discover first hydrothermal field at depths of 3,000 meters off Svalbard

Ashwini Sakharkar

Discovery of the first hydrothermal field along the 500-km-long Knipovich Ridge offshore Svalbard.

What the geologic record reveals about how the oceans were oxygenated.
Environment

Geologic record reveals how the oceans were oxygenated

Ashwini Sakharkar

Emerging data suggest that the initial rise of O2 in Earth's atmosphere was dynamic.

Salmon leaping
Environment

Warming Arctic is connected to higher Pacific salmon abundance

Pranjal Malewar

‘Open gates’ in warming Arctic are expanding salmon range.

Sea anemones catch
Science

Unknown but fascinating species discovered on deep-sea expedition

Pranjal Malewar

The animals living in these deep-sea areas have adapted to a life with very little nutrition.

Recent Stories

Mystery solved: Why foams are leakier than expected

Chemistry

Multilayered materials that work together, like nacre

Invention

Biodegradable fungi allow trash bags to decompose the organic waste

Invention

Scientists crack the mystery of the “orange fur” in cats

Wildlife

Research reveals how Sculpins use microscopic features to stay put

Wildlife