Frog trade linked to killer amphibian disease

The global frog trade - and toad trade - might have helped create and spread a deadly fungal disease has now spread globally.

China air pollution from space

NASA satellite imagery shows China air pollution, a haze over eastern China, coinciding with reports of hazardous air pollution.

A fifth gas giant ejected from our solar system?

Earth might have been spared from a collision with Mars or Venus by the process in which a fifth gas giant world was ejected from our solar system.

Abrupt climate change possible in coming years

EarthSky spoke with Richard Alley, a Penn State geologist and winner of a 2011 Heinz Award for his work on abrupt climate change.

Neil deGrasse Tyson sings a Symphony of Science

There are few astronomical videos that bring a tear to my eye anymore, but this one did. Neil deGrasse Tyson, you are wonderful.

Robert Walker: Population challenges ahead

The world’s 7 billion people face new challenges from population growth, according to Robert Walker, executive vice-president of the Population Institute.

Lutetia: Rare survivor from birth of Earth

Asteroid Lutetia appears to have formed from the same material as Earth, Venus and Mercury, 4-and-a-half billion years ago.

Top 10 countries most at risk from climate change

A British risk analysis firm outlines the 10 countries most at risk of the impact of climate change. As expected, it shows the poorest will suffer most.

White spruce in Alaska grows fast in hotter climate

Satellite images show dying vegetation and wildfires across Alaska, Canada and Russia. So scientists were surprised to find fast-growing white spruce.

Researchers link warming ocean to Amazon fires

Expect more fires in the Amazon and throughout South America due to Earth's warming ocean. And find a good video in this post.