The number of Monarch butterflies that reached wintering grounds in Mexico has rebounded 69 percent from last year's lowest-on-record levels, but their numbers remain very low, according to the World Wildlife Fund.
New research has shed light on the complex exchange of parasitic worms between wildlife, rats and humans.
In big sagebrush country, re-establishing the ecosystem's namesake shrub may jump-start the recovery process more successfully after oil and gas development than sowing grass-dominated reclamation seed mixes typically used ...
US President Barack Obama said Sunday he would recommend a large swath of Alaska be designated as wilderness, the highest level of federal protection, in a move likely to anger oil proponents.
From the pittance paid to local poachers to a multi-billion dollar industry, here are some of the key numbers related to Africa's endangered elephants:
Pallid sturgeon come from a genetic line that has lived on this planet for tens of millions of years; yet it has been decades since anyone has documented any of the enormous fish successfully producing young that survive ...
An investment fund aimed at prospering while preventing overfishing from wiping out ocean life announced on Thursday it is pumping $4 million into two companies focused on smart farming of seafood.
The death of 100 birds in the San Francisco Bay Area has baffled wildlife officials who say the creatures' feathers were coated with a mysterious substance that looks and feels like rubber cement.
A federal report says genetic markers of Asian carp are still showing up in Chicago-area waterways.
Over the past 500 years, approximately 500 land-based animal species have gone the way of the dodo, becoming extinct as a result of human activity. In the ocean, where scientists count only 15 or so such losses, the numbers ...