Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

Researchers in Hong Kong have built a tiny drone that can zip through the air at speeds of over 44 miles per hour (70 kph), ...

One branch of theropods were giants in South America while another filled smaller niches, but in Australia they reversed ...

Fossils are providing more and more clues about how dinosaurs attracted one another and reproduced, which contributed to ...

Does a duck always look like a duck and quack like a duck? Sixty-six million years ago, at the end of the Cretaceous Period, ...

NASA's estimated probability of asteroid 2024 YR4 hitting Earth in 2032 has steadily increased. The chance of the highest-risk asteroid hitting Earth in 2032 has risen to 3.1% by NASA. Dubbed 2024 YR4 ...

The skull exhibits a long, pointed beak and a brain shape unique among all known birds previously discovered from the ...

Fossils of 'Early Modern Bird' Reveal It Existed Before the Asteroid Strike That Likely Wiped Out the Dinosaurs When a ...

An artistic depiction of the Late Cretaceous modern (crown) bird, Vegavis iaai, pursuit diving for fish in the shallow ocean ...

NASA has released stunning images of mysterious colorful clouds drifting in the sky over Mars. Captured by NASA's Curiosity rover on January 17 over the course of 16 minutes, the images show ...

The ‘city killer’ asteroid (possibly) heading our way might spare us and slam into the Moon instead, scientists said. The ...

Scientists identify Vegavis iaai, a 69 million-year-old bird from Antarctica, as the oldest-known relative of modern birds, ...