What do scientists hope to learn from total solar eclipse in US?

When a rare total solar eclipse sweeps across North America on Monday, scientists will be able to gather invaluable data on everything from the sun's atmosphere to strange animal behaviors—and even possible effects on humans.

Africa's carbon sink capacity is shrinking

The population of Africa, the second-largest continent in the world, currently sits at about 1.4 billion, but is set to exceed 2 billion by 2040. This means greater swaths of land than ever before are being used for agriculture, ...

Why we need to rethink what we know about dust

You may think of dust as an annoyance to be vacuumed and disposed of, but actually, on a grander scale, it is far more important than most people realize. Globally, dust plays a critical role in regulating our climate, radiation ...

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