Sustainable small business solutions for world’s poor

The goal, says Novogratz, CEO of Acumen Fund, is to find a way to bring these essential services to low income people not just today, but in a way that's sustainable over time. Read more about sustainable small business solutions.

Helping astronauts get their balance back

Astronauts returning from the zero gravity of space often have trouble with balance. Jacob Bloomberg wants to speed up their transition to earthly gravity.

Riley Crane wins computer science challenge

A contest challenged teams to be the first to find ten red balloons, randomly hidden all across the U.S. Riley Crane and his MIT team was the first to find all 10.

Jupiter’s Great Red Spot glows in infrared

“This is our first detailed look inside the biggest storm of the solar system,” said Glenn Orton, who led the team that made the study.

How does snow form inside clouds?

Certain minerals suspended in clouds can act as the core of a fledgling snow crystal.

Chile earthquake might have shortened Earth’s day, but how?

The massive 8.8-magnitude earthquake that struck Chile in February 2010 might have shortened Earth’s day by 1.26 microseconds. Read about how the Chile earthquake shortened Earth's day.

Extreme weather and climate change connections

"How climate change will be felt by you is probably going to be through extreme weather and climate events," said Thomas Karl, the director of the world's largest active archive of weather data.

Why Americans don’t trust science

The author of the 2009 book, Unscientific America spoke about American inaction on climate change. Read why Americans don't trust science.

Chile rocked by earthquakes again Thursday morning

Following the 7.2-magnitude quake, at least three more quakes, or "aftershocks," also shook the region. Read more about the Chile earthquakes.

US, China urged to cooperate on reducing emissions

Jim Rogers, chief executive of Duke Energy, talks about how he's urging energy firms in the US and China to cooperate in reducing emissions.