Should preschool be more about books or learning to play with others?

Scholars find the world's oldest known Islamic inscription and it holds a key clue.

Some good news: some soil may not release as much CO2 as expected when warmed.

A look back at images from Discovery News headlines Nov. 10-14.

The anti-aging chemical in red wine has met its pharmaceutical match.

Offshore wind farms alter ocean currents and stir up ocean nutrients, research shows.

CO2 levels in groundwater are going up faster than atmospheric levels.

Scientists find intact marine organisms within 100-million-year-old tree resin.

A new investigation into the JFK assassination debunks theories with hi-tech forensics.

Spittlebugs jump proportionately higher than any other creature, researchers find.

After a five-month stint on Mars, Phoenix ends a troubled but fruitful mission.

Birds often respond to the warning calls of other species, but are they truly bilingual?

Like picky sushi chefs, killer whales go to great lengths to find their favorite fish.

Spring time near the Martian poles is full of avalanches, as new images reveal.

Scientists unravel the DNA of a small kangaroo named Matilda.

Earth may avert a far projected deep freeze thanks to greenhouse gases.

The Supreme Court rules that the U.S. Navy can continue to use long-range sonar.

Japan's controversial whaling fleet may have begun its annual Antarctic hunt.

The current warming trend is unmatched in the time since human civilization began.

An AIDS patient seems to have been cured by a bone marrow transplant.