Are aliens among us? The answer is yes, and they can be green too.

You don’t need a fancy qualification for these experiments – just some curiosity and few household basics.

An unplanned experiment when wildfire smoke rolled through Colorado shows how trees keep some of the smoke out.

"It is a little alarming just how close to a threshold or tipping point we are for these tropical species."

Perhaps 90% of flowering plants require animal pollinators – and most of them are insects. But it’s not just bees doing this important work.

Hidden in hedgerows, this once majestic tree is being restored to its former glory thanks to volunteers.

Researchers have programmed a close relative of tobacco plants to produce prebiotic sugars found in human breast milk.