Planet Earth

Sperm Whale Washed Up on Kauai Reef Filled with Plastics and Other Garbage

Sperm Whale Washed Up on Kauai Reef Filled with Plastics and Other Garbage

This debris, ingested by what was a 60-ton sperm whale, is believed to be at least a contributing cause of its death.

Sperm Whale Washed Up on Kauai Reef Filled with Plastics and Other Garbage

This debris, ingested by what was a 60-ton sperm whale, is believed to be at least a contributing cause of its death.

Viking Invaders Brought Dogs with them from Scandinavia

Viking Invaders Brought Dogs with them from Scandinavia

Testing tiny fragments collected from the site, the researchers identified the cremated remains of three animals that included a horse, a dog, and what they believe to be a pig.

Viking Invaders Brought Dogs with them from Scandinavia

Testing tiny fragments collected from the site, the researchers identified the cremated remains of three animals that included a horse, a dog, and what they believe to be a pig.

Arctic Wolves Fare Better Due to Extreme Isolation

Arctic Wolves Fare Better Due to Extreme Isolation

While they have been known to hunt solo, polar wolves can hunt in packs of up to 20 members and cover large territories of 1,000 square miles or more when...

Arctic Wolves Fare Better Due to Extreme Isolation

While they have been known to hunt solo, polar wolves can hunt in packs of up to 20 members and cover large territories of 1,000 square miles or more when...

Endangered Fox Found Outside its Known Range, Shows It's More Widely Distributed Than Thought

Endangered Fox Found Outside its Known Range, Shows It's More Widely Distributed Than Thought

The Sierra Nevada red fox's population has dwindled for reasons including hybridization with non-native foxes and lower prey populations. New sightings indicate their range is larger than believed, however.

Endangered Fox Found Outside its Known Range, Shows It's More Widely Distributed Than Thought

The Sierra Nevada red fox's population has dwindled for reasons including hybridization with non-native foxes and lower prey populations. New sightings indicate their range is larger than believed, however.

Pollinating Butterfly Listed as Endangered by the U.S. Fish and Wildlife Service

Pollinating Butterfly Listed as Endangered by the U.S. Fish and Wildlife Service

The United States Fish and Wildlife Service says the Sacramento Mountains checkerspot butterfly is one of many pollinators facing a population decline across the country.

Pollinating Butterfly Listed as Endangered by the U.S. Fish and Wildlife Service

The United States Fish and Wildlife Service says the Sacramento Mountains checkerspot butterfly is one of many pollinators facing a population decline across the country.

Study Finds Mammals Living in Groups Have Longer Lifespans

Study Finds Mammals Living in Groups Have Longer Lifespans

The correlation was said to hold true even when scientists took into account the link between larger species size and longer lifespan.

Study Finds Mammals Living in Groups Have Longer Lifespans

The correlation was said to hold true even when scientists took into account the link between larger species size and longer lifespan.