ASTRONOMY

For the first time in hundreds of years, the most powerful telescopes may soon come from Europe.

SCIENCE

A new report urges the Obama administration to pick up the pace on adding more plants and animals to the endangered species list.

ENVIRONMENT

If only it were so. Why it may be time to give up the one-day-a-year celebration.

SCIENCE

Now we can trace the real environmental impact of the stuff we buy. How to raise your own eco-IQ.

CULTURE

Dinosaur experts are saddened but not surprised by the theft of a fossil.

PEOPLE TO WATCH

Saving the World, One Molecule at a Time

ENVIRONMENT

Is clean coal technology fact or fiction?

ON SCIENCE

The difference between the door-buster price and the current one activates 'what if' neurons.

SCIENCE

A leading neuroscientist says processing digital information can rewire your circuits. But is it evolution?

WOMEN & LEADERSHIP

Nancy Andrews, dean of Duke Medical School, on the challenges facing women in science.

THE FUTURE OF ENERGY

A Tennessee congressman says with the energy crisis we face another Sputnik moment.

SCIENCE

Flipping the ON switch on history's biggest and most expensive experiment.

THE FUTURE OF ENERGY

The founder of the world's first carbon-offsets exchange would like to clear the air.

SCIENCE

Bigfoot hunters are still reeling from the latest hoax, but some scientists keep the faith.

Sports and Medicine

Is 'gene doping' the next Olympic threat?

ENVIRONMENT

A seismologist on the importance of bracing for the Big One

PROJECT GREEN

How a tiny bug is ravaging Colorado's forests

SCIENCE

A new book explains why sniffing pastries may make you nicer.

ASTRONOMY

How it feels to be 'Plutoed.'

ENVIRONMENT

The 'threatened' label helps, but polar bears face a difficult future.

HEALTH

Why the military is backing the cool new field of regenerative medicine.

SCIENCE

Scientists finally get a chance to examine the immense, mysterious creature hauled ashore a year ago.

ENVIRONMENT

A water crisis is impending. In a new book, Jeffrey Sachs outlines easy, low-cost ways to avoid disaster.

PSYCHOLOGY

Why do powerful men risk everything for sex? It has to do with brain chemistry, evolution and, yes, testosterone.

SCIENCE

A court order says animal-rights activists have gone too far.

NATION

What will be lost with the shoot-down of a U.S. spy satellite.

PSYCHOLOGY

The push for ever-greater well-being is facing a backlash, fueled by research on the value of sadness.

POLITICS

Science shows that when we are deciding which candidate to support, anxiety, enthusiasm and whom we identify with count more than reason or logic.

NEUROLOGY

Scientists are using state of the art technology to look at what happens in the brain when a person scratches an itch. There's more going on than you might think.

OUTER SPACE

Virgin Galactic revealed the designs for its tourist spacecraft. A NASA expert critiques the effort.

PSYCHOLOGY

A British researcher reports that the male ego is often larger than his actual IQ. But you might be surprised by what women think of men's intellect.

PREGNANCY

A new study links increased miscarriage risk to caffeine consumption, but other experts say a cup or two a day is fine. What's a coffee-loving mom to do?

SCIENCE

What is most surprising is not that we once lived in the sea, but that we are still evolving.

SCIENCE

How scientists talk about UFO sightings.

CULTURE

The physics of surviving a 500-foot plunge.