Everything you ever wanted to know about tumbleweeds
July 1, 2016, 11:31 a.m. by Sidney Stevens
Part cultural icon and part invasive nuisance, tumbleweeds have an intriguing and tangled history.
Brooklyn's Prospect Park enlists goats for weed-removal duties
May 19, 2016, 1 p.m. by Matt Hickman
The poison-ivy scarfing ruminants are on loan from an upstate farm.
Ever wonder how European starlings came to the U.S.? Blame Shakespeare
April 28, 2016, 2:24 p.m. by Tom Oder
All it took was one avian aficionado with a love of the bard to introduce this aggressive species to the United States.
In San Francisco, giant inflatable rabbits are assigned 24/7 security detail
April 6, 2016, 4:32 p.m. by Matt Hickman
Following a 3-week stint, the very big bunnies will hop to other cities.
Florida is measuring its invasive python problem by the ton
March 22, 2016, 7:48 a.m. by Jaymi Heimbuch
In the latest Python Challenge, researchers bagged over 2,000 pounds of the problematic snakes and discovered some of the species' secrets.
Death cap mushrooms are spreading across California
February 24, 2016, 11:57 a.m. by Jaymi Heimbuch
These deadly mushrooms have caused 5 deaths in California since 2010, and even experienced mushroom gatherers can misidentify them.
Researchers create 'Terminator' marine robot that hunts starfish
September 8, 2015, 1:01 a.m. by Bryan Nelson
Can a killer robot hunt down the menacing crown-of-thorns starfish that are destroying the Great Barrier Reef?