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By sequencing the genomes of other species, we can better understand our place in natural history.

Mold spores, 90-degree classrooms and aging pipes: An environmental health expert explains why Pennsylvania’s old schools are harder on kids than adults.

Despite the country’s stark political divide, some Pennsylvania voters in deep-red counties still genuinely vote for the representative and not the party.

The notion of using dingoes to protect Australia’s wildlife is based on wolves in the US, but research cast doubts on the link.

Fires in Tasmania have burnt thousands of hectares of wilderness. Other remote fires it’s better to put them out quickly.

80,000 years ago, Australia’s landscape was dominated by much larger versions of today’s marsupials – including enigmatic and enormous wombats.

Research shows that wildfires are causing more debris, sediment and chemicals to enter waterways, harming fish and other aquatic life.

Maybe it was a nuclear war, devastating climate change, or a killer virus. But if something caused people to disappear, imagine what would happen afterward.

It’s an amazing evolution story happening in our backyards and forests – should this wily canid be called the eastern coyote a ‘coywolf’?

Less than a century ago, Colorado hunted, trapped and poisoned all the wolves within its borders. Today it’s restoring them – a change that reflects a profound shift in human thinking.