Ocean acidification affects biological processes in a wide range of marine taxa.

A new study, published in Research and Reports in Biodiversity Studies, notes that in the tropics, coral reefs face a host of interconnected problems (bleaching, corrosion, disease, spreading seaweed, invasive species) that are all caused by rising CO₂ levels.

incompetent or complicit Egyptian security was probably involved in the Oct. 31 crash of a Russian passenger jet in Egypt’s Sinai Peninsula, British Foreign Secretary Philip Hammond said on Tuesday.

As authorities investigate whether a bomb could have been smuggled aboard Metrojet Flight 9268, CNN has seen private security personnel in Sharm el-Sheikh, Egypt, using handheld bomb detectors that British officials and security experts say just don't work.

In a study published recently, scientists from UH Mānoa and the University of Tokyo revealed that two species of deep-sea sharks, sixgill and prickly sharks, are positively buoyant – they have to work harder to swim downward than up, and they can glide uphill for minutes at a time without using their tails.

For the first time, Canadian researchers have tracked an adult female eel from Nova Scotia to the northern edge of the Sargasso Sea with a satellite tracker, a 45-day journey of 2,400 kilometres. For a century, scientists have been baffled as to how baby eels appear in the Sargasso Sea near Bermuda when adults have only been found in faraway places like Canada's St. Lawrence River.