That's how one researcher figured out the reproductive anatomy of dolphins

Hot water does in fact sound different from cold water when they are poured due to surface tension, size of droplets when heated and auditory perception.

Researchers discover oil sands' emissions are 2 - 4.5 times greater than reported.

Perspective on climate change from the United States, China and Indian in a panel discussion

Jane Goodall talks about her decision to embrace activism.

Bill Nye says the thing to keep in mind when it comes to climate change is that 'we're all in this together.'

Harvesting water out of thin air with a new device powered only by sunlight.

Study will look at solutions to health issues caused by swaying office towers and vibrating floors.

Fossil teeth from 1.8 million years ago indicate right-handedness in one Homo habilis.

The science behind how fossils are created is answered in this week's question.