"This specimen perfectly illustrates the cooperative evolution of plants and animals during this time period." ...

Domestic grazers are increasingly replacing wild herbivores in ecosystems around the world, leading to insidious changes in soil characteristics and vegetation patterns. A long-term study carried out ...

Some experts believe that zoos should also aim to hit other goals like conservation and education. Read more at ...

If you suffer from seasonal allergies, you may want to rethink your garden. Here are the trees, grasses and plant to avoid.