The Open Tree of Life project culls years' worth of segmented scientific research in an effort to create a current, open source version of our knowledge on thousands of plant and animal species ...

An update to the ‘tree of life’ has revealed a dominance of bacterial diversity in many ecosystems and extensive evolution in some branches of the tree. It also highlights how few organisms we ...

Ground-sourced tree density data is assembled to provide a global map of tree density, which reveals that there are three trillion trees (tenfold more than previous estimates); tree numbers have ...

More trees mean healthier neighborhoods, and a new map is helping the city of Chicago identify neighborhoods that could benefit from increased investment in street trees. Health geographer and data ...

BBC News is shown the secret site protecting the remains of the Sycamore Gap tree felled last year.

Few know where the oldest tree in the world is – the Forest Service doesn't reveal the exact location to protect it. Here's what we do know about it.