Menace to monarchs

Menace to monarchs
20 years ago, up to 1 billion monarch butterflies wintered in Mexico’s mountains. This January, a few tens of millions are roosting More »

Typhoon flogs Philippines

Typhoon flogs Philippines
As scientists try to understand the biggest storms in a warming earth, we try to make sense of what’s known, and what’s not. Does More »

Himalayan glaciers

Himalayan glaciers

A long debate about these giant ice streams has gyrated wildly. Now, satellite data show a moderate loss of mass for a recent six-year More »

Light at night: Mixed blessing!

Light at night: Mixed blessing!

Researchers are finding more links to obesity, cancer, and sleep disturbances. Light blocks the release of melatonin, a hormone More »

Amphibian anxiety

Amphibian anxiety

Amphibians are disappearing faster than any other animals. A new study looks at the effects of changes in climate, land use and More »

Feeding 7+ billion

Feeding 7+ billion

The green revolution fed billions, but population keeps rising, water is short and the climate is changing. How will Africans feed More »

Cattle, wildlife: No real conflict?

zebra in foreground, cattle in background

In African savannas, cattle graze the same grass as zebras, elephants and gazelles. Obviously, wildlife are stealing food from the More »

Life in the oceans

Life in the oceans

Most of our planet is ocean, and now we have a better idea of what lives there. Marine creatures are much weirder than those on land. More »