Every gun and bullet sold in the U.S. generates excise taxes to support conservation. But Americans are buying guns now for different reasons than in the past – and increasingly, not for hunting.

To many of us trophy hunting is repellent. But here’s a look at why killing wild animals might be pleasurable to some.

It’s usually good news when a once-scarce species starts to recover – unless it starts getting in humans’ way. An ecologist explains how science can help predict unwelcome encounters.

A barrier built to stop human migrants will instead cut off animals and scientific cooperation.

There are so few wild ocelots in the US that the cats are becoming inbred, with a bad prognosis for their ultimate survival. But researchers are perfecting ways to get new genes into the population.

Helicoptering heavy herbivores across Africa is no laughing matter.

It's hard to preserve national parks "unimpaired," as US law directs, when they're overrun with tourists who stray off paths, strew trash and harass wildlife. A parks scholar calls for crowd control.

Squirrel feeders laced with contraceptives could be used to suppress grey squirrels in the UK.

Wildlife television as we know it was constructed around Attenborough. Take him away and the whole thing needs to be reinvented.