A large body of scientific evidence stemming from studies of diverse species clearly shows that many nonhuman animals (animals) are sentient beings. 1 Because these studies show that the biodiversity ...

The world is full of brilliant creatures, many of whom are smarter than us. One of them is the octopus. This creature can open doors, release itself from jars, turn on lights, and manage to control ...

Bees play by rolling wooden balls — apparently for fun. The cleaner wrasse fish appears to recognize its own visage in an underwater mirror. Octopuses seem to react to anesthetic drugs and will avoid ...

The UK has a proud history as a leader in animal welfare, passing one of the world’s first animal protection laws in 1822, to prevent the cruel treatment of cattle. While such laws have continued to ...

(CNN) — Octopuses, crabs and lobsters are capable of experiencing pain or suffering, according to a review commissioned by the UK government, which has added the creatures to a list of sentient beings ...

Baja California Governor Marina del Pilar Ávila Olmeda promoted the reform of Article 7, which now recognizes animals as sentient beings in the state’s Constitution—an unprecedented move that ...

Artificial intelligence has progressed so rapidly that even some of the scientists responsible for many key developments are troubled by the pace of change. Earlier this year, more than 300 ...

In 1789, Jeremy Bentham said, “The question is not, Can they reason?, nor Can they talk? but, Can they suffer?” It’s time to stop wondering if nonhuman animals (animals) are sentient — they are.

A new animal welfare bill moving through UK parliament will now include crabs, octopuses, and lobsters after an independent research review concluded decapod crustaceans and cephalopod molluscs should ...

A study recently published in a prestigious journal reports a surprise finding: that jumping spiders twitch during sleep in a way that resembles what cats, dogs and other mammals do during rapid eye ...

Fifty years ago, my first article arguing that it is wrong to treat animals as we do appeared in the New York Review of Books. Two years later my book “Animal Liberation” was published, subsequently ...