All the news on the Earth's largest environment.

Ok, well a “penis” in male nematodes is actually a hard copulatory spine called a genital spicule–males physically pry open the female’s vulva–but you get the idea. What better way to open a blog post ...

This is the second of a two-part post. In the first installment, Kim presented alternatives to this project. This installment is a collaboration between Kim and Miriam. Dr. Kim Martini is a physical ...

Yesterday the DSN crew first saw the video above. What is this large floating sheet of goo? Is it alive? Was it once alive? The two leading contenders seems to be that it is A) an old whale placenta ...

Megalodon (Carcharocles megalodon) is the largest shark, at a magnificent maximum length of 18 meters (59 feet), to ever have dwelled in the oceans. We know primarily about Megalodon’s existence ...

Treehugger recently posted 10 Reasons Why Dolphins Are Undeniably Awesome. This is all nice and well but this does overlook some key aspects of dolphins that should be recognized. Good luck trying to ...

At a recent NOAA workshop, another participant gifted all of us these wonderful “hard hat” float ornaments. The perfect blend of nerdy oceanography and 3-D printing. Benthic Lander from NOAA To ...

Readers of DSN may think they know my favorite organism. Did you guess the giant isopod or did you guess the giant squid? Those beasties are truly fantastic. Large and dwelling in the deep oceans, ...

Here’s a mystery: below 8,400 meters there are no fish. There are other creatures: sea cucumbers, anemones, tiny worms, but no one has ever seen a fish. At 8,370 meters? There are fish. But not below ...

David Cassidy, 70’s heartthrob and star of The Partridge Family, died today at age 67. In November of 1970, his hit song, “I Think I love You,” was everywhere on AM radio. It’s one of the first hit ...

This is an invited contribution. A marine biologist, who posts here under the pseudonym, Dour Marine Biologist, offers a counter to the media and even DSN hype on Cameron’s dive. I find these points ...

A comment on Reddit reminded me of a question that I have received many times. The question is always a good one because it stems from knowledge and deductive reasoning. The said question requires one ...