Do dolphins get Alzheimer’s disease?

In many ways, dolphin brains are a lot like human brains. Researchers report on pathological signs of Alzheimer’s in these awesome creatures.

What monarch butterflies prefer

Will our survival strategy for monarchs work? Initiatives emphasize milkweed plantings along roadsides. New research shows egg-laying monarchs much prefer off-road farmlands.

Help astrobiologist find extreme rocks

A scientist launches a hunt for earthly extraterrestrials. Help her find them!

5 discoveries we owe to twins

Years of twin research have led to incredible insights into how our genes and the environment affect our health.

Scientists warn: Soon it will be too late to save Earth

More than 15,000 scientists in 184 countries have signed a letter urging the world to address major environmental concerns. "Soon it will be too late to shift course away from our failing trajectory, and time is running out."

Citizen inventors: NASA’s 3D Printed Habitat Challenge

Future space missions won't be able to carry all their building materials from Earth. Competitors are challenged to fabricate habitats using indigenous materials. $2 million prize!

Scientists find teeth of early human ancestor

A remarkable find of fossil teeth from tiny, furry-tailed creatures - thought by scientists to be a human ancestor - dating back 145 million years.

Will 15 days of darkness start November 15? Nah

Are you ready for 15 days of darkness, November 15-30? No need to be. It's a hoax.

Want birds in your yard? Plant native trees

A recently published study confirms that native trees are most effective in hosting caterpillars, an important food for birds.

2016 greenhouse gases at record high

As climate talks open in Bonn, Germany this week, negotiators are considering a report from the World Meteorological Organization, urging action now.