Most home gardeners pottering around with trowel, plant cuttings and a bag of mulch behind the old homestead don’t think of themselves as “nature’s best and last hope.” Doug Tallamy, an entomologist ...

Clearing water-guzzling and soil-damaging alien invasive plants costs South Africa several hundred million rands every year.

An “alien plant” fossil discovered 55 years ago just outside of an abandoned town in Utah has no relation to any currently existing or extinct species, scientists revealed in a study last month.

Clearing water-guzzling and soil-damaging alien invasive plants costs South Africa several hundred million rands every year. Now, a promising pilot project to recoup some of this cost by producing ...