Purple sea urchins have a weapon against ocean acidification

As the carbon content of the ocean continues to increase, purple sea urchins may be able to adapt rapidly to survive.

Critically endangered passion flower

The beautiful Chinese passion flower species Passiflora kwangtungensis may be in danger.

Bob Hardage: Using seismic technologies in oil and gas exploration

Seismic waves, the same type of waves used to study earthquakes, are also used to explore deep underground for reservoirs of oil and natural gas.

Blood-sucking parasites called deer keds spreading in Norway

A high moose population density and mild autumn weather result in a higher prevalence of deer keds (louse fly parasite). A great deal of pine forest in the habitat of the moose has the same effect.

Dead guppies still make good dads

A sizable portion of wild guppies were fathered by a dead fish.

Noctilucent – or night-shining – cloud season starts early in 2013

Night-shining clouds appear early in northern summer, when water molecules are wafted up from the lower atmosphere to mix with "meteor smoke."

World Oceans Day is June 8

Today is World Oceans Day. Wear blue! Commit to simple steps to help protect the ocean, such as picking up beach trash and drinking from reusable water bottles.

Video: Sylvia’s Earle’s plea to protect the ocean

Sylvia Earle says in her new video; "Your world is blue. If you look at it from space, that image alone should have inspired us to think we that, too, are sea creatures."

Down to the twilight zone of the Atlantic Ocean

A team of 23 scientists will be sampling and measuring the water column from the surface to the ocean floor some 4,800 metres down – nearly 3 miles.

Whispering light hears liquids talk

Researchers are developing optomechanical sensors that will help unlock vibrational secrets of chemical and biological samples at the nanoscale.