To determine a dog’s age in human years, don’t just multiply your pet’s age by seven. Calculating a dog’s age is more nuanced. A dog’s lifespan depends on several factors,…

Radiocarbon dating of tooth fragments from huge animals found in Brazil shows some megafauna species survived much longer than scientists thought. Researchers at the Federal University of Rio de Janeiro…

Elephants may have the reputation for never forgetting, but crows aren’t far behind. A new study reveals that crows can hold a grudge for up to 17 years against people…

A new study from Eötvös Loránd University points to two clear signs of a truly gifted dog. The first is the ability to learn and remember the names of hundreds…

A team led by Carolina Acosta Hospitaleche, a professor of vertebrate paleontology at the National University of La Plata in Argentina, has discovered fossils of a previously unknown giant bird…

According to researchers from the charity Dog Trust, small dog breeds with long noses tend to live longer than others. Female dogs of small, purebred breeds have the longest life…

Researchers at the University of Bristol argue that dinosaurs’ mode of movement helps explain how they dominated the planet for so long. Huge reptiles took over the planet and ruled…

Why did researchers pick this specific time frame? That’s apparently long enough for the world to shift into a radically different climate phase. The team says the planet could face…

A gallery of ancient cave markings in France—likely created around 75,000 years ago—appears to be the work of Neanderthals. A team studying the La Roche-Cotard engravings says it’s the clearest…

Were there oceans on Mars? Scientists have long debated where they came from, how large they were, how deep they reached, and where they went. Numerous recent studies now point…

The star that makes life on Earth possible will die in about 5–5.5 billion years. Researchers estimate the Sun, now about 4.6 billion years old, will die when it’s roughly…