Agnathans, the most primitive chordates, are poised at a fascinating point in evolution ... Another approach to the problem of immune evolution is to inquire into the phylogenetic origins of the ...

What it tells us about the past: More than a century ago, archaeologists excavated a Viking ship buried in the ground at the Oseberg farm in Tønsberg, Norway. Inside the unusually well-preserved ...

Diablo Valley College said the tree has since been removed. At least 12 people were injured after a tree fell on bystanders during a commencement ceremony at Diablo Valley College in Pleasant Hill ...

In a paper published in National Science Review, a Chinese team of scientists highlights the discovery of well-preserved blue-stain fungal hyphae within a Jurassic fossil wood from northeastern China, ...

Known for their mushroom-shaped canopies and the blood-red sap that courses through their wood, the trees once stood in great numbers. On a windswept plateau high above the Arabian Sea ...

The North Dakota Forest Service announced updates to its North Dakota Register of Champion Trees in April, including a green ash and Kentucky coffeetree in Fargo. When Keith Corliss bought his ...

A vegetation fire south of Joshua Tree in San Bernardino County reported just past noon on Friday, May 30 has grown to 175 acres, Watch Duty, a wildfire information nonprofit, says on its site.

Allergy sufferers in Hamilton will likely experience heightened symptoms in the coming weeks as warmer weather causes the release of more tree pollen, according to the head of a pollen research ...

Elm trees have leaves that are doubly toothed around the margins and are usually asymmetrical at the base. They grow in an alternating pattern along the stem. Some elm leaves are smooth on one ...

The National Weather Service has determined a tornado brought down trees during Friday's severe weather in Washington County.See the tornado damage in the video player aboveTree damage was found ...