Marine life


Giants of the deep: the evolution of whales

Wednesday, 5 June 2013

Since heading back into the ocean, cetaceans have evolved to gargantuan proportions. Sid Perkins investigates why whales became so huge.

Geoducks iStockphoto cropped


Wednesday, 15 May 2013

One of the longest-living animals, which is also the world’s biggest clam, could have important stories to tell about Earth’s climate history.

Great white shark (Carcharodon carcharias). Credit: Brocken Inaglory / Wikimedia Commons

Great white sharks are hungrier than we thought

Thursday, 21 March 2013

Great white sharks, the world’s largest predatory fish, eat three to four times more food than previously thought, an Australian study shows.

The central part of the autonomoues instrument deployed to measure the O2 dynamics of the sea-bed in the Mariana Trench at a depth of 11 km. Credit: Anni Glud

Active community at Earth’s deepest spot

Tuesday, 19 March 2013

An unexpectedly large and active community of single-cell organisms has been found living on the Pacific sea floor at the deepest site on Earth, scientists announced.

Coral reef ecosystem at Palmyra Atoll National Wildlife Refuge.

On a reef’s edge

Tuesday, 12 March 2013

Like manic underwater gardens teeming with vibrant fish and corals in a kaleidoscope of colours, healthy coral reefs are among nature’s masterpieces. But, asks Amanda Burdon, how much longer can they survive?

Salt water mussels

Mussel chemistry on the brink of medical application

Wednesday, 20 February 2013

Scientists are developing a new kind of glue to use inside the body, using a chemical trick used by salt-water mussels.



Wednesday, 30 January 2013

The caves of Slovenia are home to a tiny, blind salamander known as the olm.


Ocean world

Tuesday, 29 January 2013 - 4 comments

Stunning photos of the hidden world under the ocean.

Penguin head-cam captures bird’s eye view of hunt_COSMOS science magazine

Penguin head-cam captures bird’s eye view of hunt

Tuesday, 22 January 2013

Miniature cameras attached to a penguin’s head have given Japanese scientists a bird’s eye view of the creature’s incredible underwater hunting skills.

Into the deep_COSMOS science magazine

Into the deep

Tuesday, 22 January 2013 - 1 comment

Living on a starvation diet, strange life forms are thriving deep beneath the sea floor.


Sign up to our free newsletter and have "This Week in Cosmos" delivered to your inbox every Monday.

>> More information
Like us on Facebook
Follow @CosmosMagazine
Add Cosmos to your Google+ circles

Get a weekly dose of Cosmos delivered straight to your inbox!

  • The latest in science each week
  • All the updates on our new website launch
  • Exclusive offers and competitions

Enter your name and email address below: