A newly discovered fossil in Antarctica, estimated to be 68 million years old, reveals the oldest known modern bird, Vegavis ...

A 68-million-year-old Antarctic fossil revealed the oldest known modern bird, Vegavis iaai, a duck-sized diver with traits linking it to today’s waterfowl.

Above the shores of prehistoric seas and lakes, pterosaurs roamed the skies. They were feathered creatures that ranged in ...

Paleontological discoveries are becoming more and more surprising, especially considering the latest find by a group of experts who have discovered what is known as a new type of d ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Twenty-two of North America’s 34 known species of dinosaurs were already extinct before an asteroid struck at the end of the Cretaceous period 65 million years ago. “It turns out that there were about ...

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

"It is very important that we improve our size estimate for 2024 YR4," the ESA said in a statement Monday, which noted "the hazard represented by a 40 m asteroid is very different from that of a ...

Astronomers say the asteroid, estimated at 40-90 m (131-295 ft.) in diameter, could impact Earth on Dec. 22, 2032. “It is very important that we improve our size estimate for 2024 YR4 ...

In 1908, the Tunguska asteroid, which was a similar size, flattened trees over an area of about 1,250 miles after it exploded in the skies over Siberia. Asteroid Psyche (Illustration). The ...