El Niño this year: What will it bring?

An El Niño is building that's expected to culminate in the fall and last until the winter and could possibly become a “mega” El Niño.

The amazing tongue of the hummingbird

Drinking nectar requires a tongue that fits the flower and works like a pump. Cool video!

Earth has 3 trillion trees, says study

That's more than previous estimates. But the number of trees has dropped by 46% since the start of human civilization, says the study.

Super stonehenge found below ground

Archaeologists have found evidence for a circle of 90 huge standing stones buried near Stonehenge.

Is the pronoun ‘I’ becoming obsolete?

Thinking of plants and animals - including humans - as independent individuals might be an oversimplification, according to modern thinking in microbiology.

Giant sea scorpion was ancient sea predator

Scientists have discovered a person-sized sea scorpion that lived 467 million years ago.

What is the Yellowstone supervolcano?

Beneath Yellowstone National Park lies a volcanic hotspot. The most recent enormous eruption occurred 640,000 years ago. What's going on now?

Plastic bits in 90% of seabirds

A new study estimates that almost all seabirds have eaten plastic.

Can El Niño end California drought?

El Niño is expected to bring heavy rains to drought-stricken California. That prospect raises the question: what would it take for the drought to be over?

Bats also face chemical threats

Cave-dwelling bats are fighting an epic battle against the fungal disease white-nose syndrome. Now, they may be facing another foe — chemical contaminants.

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