T he wolves arrived in May of last year, just days after Paul Roen had driven his cattle back up to their summer pasture in Northern California’s Sierra Valley. He started finding the bleeding bodies of calves—some still alive,

The question of how many wolves a region can sustain without tipping the balance against prey herds, livestock operations, and the wolves themselves has no clean answer. Since the federal government returned management authority to individual states,

Arsenal were stunned by a late equaliser from Wolves when the sides met in the Premier League last night, a result that has intensified scrutiny at a critical stage of the season.

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% surge in willow growth was based on circular calculations and questionable comparisons.

Follow live reaction as Arsenal's lead at the top of the league moved to five points after drawing with Wolves

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members working together to isolate and exhaust an animal. That reality makes one Yellowstone wolf stand out decades after her death.

Ranchers Jay and Chyenne Smith raise Black Angus cattle near the tiny town of Carmen, Idaho. The ranch is located just over the ridge from one of the original sites of wolf reintroduction, and the Smiths say wolves have killed more than 200 of their cattle ...

Humans have always had an emotional relationship with predators. We both revere and demonize them. We buy more than 100 million teddy bears annually for our children, while 50,000 real bears are hunted yearly in North America. Cultural fables and fairy ...