Ice age camel bones found in Yukon redraw species' lineage
Miners in northwestern Canada have discovered ice age camel bones whose DNA is forcing scientists to redraw the family tree of the now-extinct species.
Species without boundaries—a new way to map our origins
More than 145 years ago, Charles Darwin argued that Africa was the continent from which humans evolved in prehistory. We now know he was right.
Predicting tree mortality
A combination of drought, heat and insects is responsible for the death of more than 12 million trees in California, according to a new study from UC Santa Barbara's National Center for Ecological Analysis ...
Tree rings confirm unprecedented warming in Central Asia
A new study of tree rings from Mongolia dating back more than 1,000 years confirms that recent warming in central Asia has no parallel in any known record. In recent decades, temperatures have been ascending ...
Collaboration of citrus greening researchers begins 5-year plan to save citrus
A diverse group of researchers has teamed up to develop a therapeutic treatment for citrus greening disease, a bacterial infection that threatens the future of the U.S. citrus industry.
A contentious quest for Kevazingo, Gabon's sacred tree
"Nobody should sell this wood. It protects the forest. But those who sell it will be hunted by the spirits of the forest," warns Daniel Messa-Abaga, a guardian of Gabon's Kevazingo trees.
When trees aren't 'green'
Most of us don't consider forests a source of pollution. As natural bodies, they should be good for the environment. But a recent study in Japan shows that older cedar and cypress plantations are causing ...
Rare case of wallaby fostering tree kangaroo in pouch
Australian zookeepers Tuesday said they had successfully fostered an orphaned tree kangaroo with a surrogate wallaby in a rare case after its mother was crushed by a branch.
Changing climate prompts boreal forest shift
With warming summer temperatures across Alaska, white spruce tree growth in Interior Alaska has declined to record low levels, while the same species in Western Alaska is growing better than ever measured ...
Rumors of southern pine deaths have been exaggerated, researchers say
Researchers at the University of Georgia have a message for Southern tree farmers worried about unexplainable pine tree deaths: Don't panic.
Flies released to attack hemlock-killing pest
A tiny fly from the Pacific Northwest may provide new hope for towering hemlock forests dying along the East Coast.
Tree root research confirms that different morphologies produce similar results
Despite markedly different root morphologies and resulting disparities in nutrient-uptake processes, forest trees of different lineages show comparable efficiency in acquiring soil nutrients, according to researchers in Penn ...
Some frogs surviving deadly chytrid fungus infection
Australian scientists have found that some native frogs are winning their war against the world's most devastating frog-killer – the chytrid fungus – while others are losing it.
Young pine trees face new peril from mountain pine beetle
New research from the University of Alberta's Faculty of Agricultural, Life and Environmental Sciences shows that pine beetle attacks not only lead to the death of adult trees, but can also leave the next ...