Earth
The first Americans had pet dogs 1000 years earlier than thought
There were domestic dogs in North America 10,200 years ago, according to a re-examination of an ancient dog skeleton that looks like a small English setter
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Earth
In big cities even the fish are always rushing around the place
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Earth
The volcanic eruption on Hawaii is now making an acidic fog
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Earth
Hawaii volcano is causing havoc and will spew lava for days
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Earth
A mix-up means US air pollution is way worse than thought
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Earth
US climate report warns nation will lose out if it doesn’t act
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Earth
Parts of San Francisco are sinking faster than the sea is rising
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Earth
Extreme weather in US and Australia may be due to climate change
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Earth
Florida suffers coast-to-coast battering by Hurricane Irma
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Health
Immigrant protections have halved kids鈥� mental health problems
A programme that protects some US immigrants from deportation has reduced anxiety disorders in their children. But Donald Trump may scrap the scheme next week
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Environment
Meet the turtles surviving an invasion of enormous tractors
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Health
How US diplomats may have been attacked by sonic weapons in Cuba
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Earth
Al Gore’s Inconvenient Sequel could just make climate rift worse
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Health
US plan to cut smoking with non-addictive cigarettes has flaws
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