Research finds diatoms evolved slowly for 100 million years and then experienced an evolutionary burst of speciation 170 million years ago.

Tree of heaven is highly invasive and incredibly difficult to eradicate. Learn how to control ailanthus and manage its unchecked spread.

Surprising new fossil evidence undermines the idea that there was ever a mass extinction on land – and may force us to ...

What if a single tree could cover more ground than a city block? The Great Banyan in Kolkata, India, is the world’s widest tree — a sprawling canopy supported by hundreds of trunk-like roots. In this ...

Growth is now in full flow and flowering should be in abundance displaying the many shapes sizes and colours the garden has ...