Planet Earth

Sharks Are Losing Their Teeth As Oceans Turn Acidic

Sharks Are Losing Their Teeth As Oceans Turn Acidic

Sharks have survived for more than 400 million years, but a new threat is breaking them down from the inside out. Scientists found that as oceans absorb more CO₂, shark...

Sharks Are Losing Their Teeth As Oceans Turn Acidic

Sharks have survived for more than 400 million years, but a new threat is breaking them down from the inside out. Scientists found that as oceans absorb more CO₂, shark...

Side-by-side collage showing a lioness in profile outdoors and another lioness resting with eyes closed.

Columbus Zoo Lioness Dies After Door Failure, Followed By Outrage Over Coverup

A night behind locked doors at the Columbus Zoo ended in tragedy — and a coverup that left residents demanding answers.

Columbus Zoo Lioness Dies After Door Failure, Followed By Outrage Over Coverup

A night behind locked doors at the Columbus Zoo ended in tragedy — and a coverup that left residents demanding answers.

Jaguar Population Up 30% in Mexico, But the Work's Far From Over

Jaguar Population Up 30% in Mexico, But the Work's Far From Over

Jaguars are at risk of extinction in Mexico, but there’s been some good news in the fight to save them.

Jaguar Population Up 30% in Mexico, But the Work's Far From Over

Jaguars are at risk of extinction in Mexico, but there’s been some good news in the fight to save them.

Side-by-side images of a hand holding a ripe avocado and avocados growing on a tree.

Mexican Innovators Turn Avocado Waste Into Cutlery That Could Save the Oceans

Plastic forks and straws often end up in the ocean, where they linger for centuries. A Mexican company is fighting back by turning discarded avocado pits into durable utensils that...

Mexican Innovators Turn Avocado Waste Into Cutlery That Could Save the Oceans

Plastic forks and straws often end up in the ocean, where they linger for centuries. A Mexican company is fighting back by turning discarded avocado pits into durable utensils that...

Split image showing a loggerhead sea turtle swimming underwater on the left and surfacing in clear blue water on the right.

Hurricane Erin Sweeps Away Fragile Sea Turtle Nests Leaving Heartbreak on the Shore

Hurricane Erin never struck land with catastrophic force, but its fury hit where few could see. Along the fragile coastlines of North Carolina and Florida, waves swallowed sea turtle nests,...

Hurricane Erin Sweeps Away Fragile Sea Turtle Nests Leaving Heartbreak on the Shore

Hurricane Erin never struck land with catastrophic force, but its fury hit where few could see. Along the fragile coastlines of North Carolina and Florida, waves swallowed sea turtle nests,...

Two pigs close up, one with dirt on its snout and ear tag visible.

Lawmakers Push To End The Slaughter Of Sick Pigs Threatening Human Health

Pigs too sick or injured to stand — known as “downed pigs” — occupy one of the most vulnerable positions in industrial farming. Instead of receiving care, they are often...

Lawmakers Push To End The Slaughter Of Sick Pigs Threatening Human Health

Pigs too sick or injured to stand — known as “downed pigs” — occupy one of the most vulnerable positions in industrial farming. Instead of receiving care, they are often...