Science is well equipped to help us understand how dire the extinction crisis is. But whether we choose to act will come from ...

The Saber-toothed cat was an animal species that became extinct ten thousand years ago. These were named after the pair of elongated bladelike canine teeth in the upper jaw.

Rising temperatures are pushing many species to the brink, alongside disease, pollution and unsustainable fishing.

The red foxes in California's Sierra Nevada are in danger — genetic rescue is one controversial strategy that could help save them.

The idea of bringing extinct animals back to life is no longer science fiction. Efforts are underway to revive species like the woolly mammoth, Tasmanian tiger, and dodo bird. Through genetic ...

After all, nobody has seen one since 2003. Also known as the Chinese swordfish, the now-extinct marine species had a long, slender snout resembling a sword — except flatter and longer. In their heyday ...

While Halloween–or All Hallows’ Eve–has mostly become a secular holiday, it is still a good time to honor the spirits of extinct Pennsylvania species such as animals, insects, and plants, writes ...

An extinct species of cattle—the aurochs—that died out some 400 years ago, would be the perfect animal to "de-extinct," says Dr. Conor Rossi from Trinity College Dublin (TCD). "This is ...

Being all black or all white is a rare phenomenon, unlikely to persist in the wild because it’s a selective disadvantage. These animals often have a tougher time blending into their habitat – a ...

Research suggests that around 99% of all plants and animals that once inhabited our planet have gone extinct. This could mean that up to five billion species have vanished from Earth over the ...

A look at seven creepy extinct animals that we're glad are no longer around. These creatures from the past had features and behaviors that would be unsettling today. Chris Wallace leaving CNN How ...