18.5 million year old vine fossil identified as new species

An 18.5 million-year-old fossil found in Panama provides evidence of a new species and is the oldest reliable example of a climbing woody vine known as a liana from the soapberry family. The discovery sheds light on the evolution ...

Climate change: How bad could the future be if we do nothing?

The climate crisis is no longer a looming threat—people are now living with the consequences of centuries of greenhouse gas emissions. But there is still everything to fight for. How the world chooses to respond in the ...

Climate change: Amazon may be turning from friend to foe

The Brazilian Amazon released nearly 20 percent more carbon dioxide into the atmosphere over the last decade than it absorbed, according to a stunning report that shows humanity can no longer depend on the world's largest ...

Declining male fertility increases climate change vulnerability

Male fertility may be the chink in the armor against climate change, according to a new study that suggests the loss of male fertility at high temperatures means many species—especially those restricted to the tropics—may ...

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