They look like devils and hence are called pez diablo in Spanish, but these demonic objects are dried and mutilated versions of living rays known as guitarfish.

Central America’s forests are critically important habitat for many forest birds, including endangered species. Narco-traffickers are cutting down trees, leaving birds with nowhere to go.

Avocados are marketed as a superfood, but growing them for an expanding world market has turned a rural Mexican state into an unsustainable monoculture.

The eclipse will allow scientists to get rare measurements of the Sun’s atmosphere.

Agricultural sustainability is as much about power and sovereignty as it is about soil, water and crops.

The best science is not always the best engineering when it comes to building codes. It’s also a problem across the US, as an engineer who works on disaster resilience explains.

A deadly hurricane developed in just 12 hours.

Forecasters warned of ‘potentially historic rainfall’ and ‘dangerous to locally catastrophic flooding.’ A hurricane scientist explains what El Niño, a heat dome and mountains have to do with the risk.

Forecasters are warning of a destructive storm for Mexico and the US Southwest – with El Niño, a heat dome and the mountains all playing a role.

Forecasters are warning of a destructive storm for Mexico and the US Southwest – with El Niño, a heat dome and the mountains all playing a role.