Shark may avoid cold blood by holding its breath on deep dives

Scalloped hammerhead sharks stay warm as they descend into cold, deep water off the coast of Hawaii, suggesting the cold-blooded species may maintain its body temperature on dives by holding its breath, according to new research ...

Scientists say Gulf spill altering food web

(AP) -- Scientists are reporting early signs that the Gulf of Mexico oil spill is altering the marine food web by killing or tainting some creatures and spurring the growth of others more suited to a fouled environment.

The deep Southern Ocean is key to more intense ice ages

Over the last million years, ice ages have intensified and lengthened. According to a study led by the University of Bern, this previously unexplained climate transition coincides with a diminution of the mixing between deep ...

Krill found to have hidden depths

Antarctic krill regularly feed on the seabed, scientists have found. Until now the tiny crustaceans were thought to live mainly near the ocean surface.

Making better measurements of the composition of galaxies

A study using data from telescopes on Earth and in the sky resolves a problem plaguing astronomers working in the infrared, and could help make better observations of the composition of the universe with the James Webb Space ...

page 19 from 40