Plants

Habitats with fewer plant species produce less oxygen, food, fiber overall.

Red pigments in leaves protect them from sun, so tree can collect more nutrients for winter storage.

Tradable permits, aka cap-and-trades, could preserve land.

International Atomic Energy Agency looks ahead.

An invasive marsh plant conquers leafy enemies with toxic acid.

Plants warn each other against predators, scientists find.

Cycads use odors to attract and repel insects to trick them into pollinating.

IUCN's 2007 Red List details animals and plants threatened with extinction.

Changes in atmosphere's chemistry show up in wolves' bones.

Only about 10 percent of them are known, scientists estimate.

Ozone could damage plants and block an important carbon sink.

Insects eat native plants but let weeds grow.

A natural Sistine chapel shows not religious paintings but images of sprawling tree trunks and fallen leaves.

Plants recognize relatives and are less competitive with them.

Scientists identify nutrient source that turns ocean’s desert regions into oases.

Study debunks earlier research pointing to plants emitting methane.

Green thumb or not, most of us have at least one houseplant because it links us back to nature, a new study claims.

The planet might once have been dominated by microbes that used a molecule other than chlorophyll to harness Sun’s rays.

The heavyweight of the flower world never fit in with the other plants, until now. Scientists found the basketball-size bloom belongs to a plant family made up mostly of teeny blossoms.

Chew on this: our early ancestors chowed down on more than fruits and leaves, they also fed on grasses, roots, and grazing animals, scientists announced today