Born in 1832, Jonathan the tortoise is expected to turn 190 in 2022. It is one of the oldest living land animals today.

Earth is an average planet with a diameter of 12,700 km. But a thousand Earths could be stacked on another planet, Jupiter. A thousand Jupiters in the sun. Or the sun could cover one million Earths with a diameter of...

The Alpine Ibex, a species known for its extraordinary agility, has developed a unique behavior of climbing steep concrete dam walls. Their main objective is to reach the mineral-rich water that seeps through the cracks in the concrete. These minerals...

Pegasus is a constellation near Pisces. 51 Pegasi is a star that is barely visible to the naked eye. It is about 50 light-years from Earth. That is, when we see that star, we see light that traveled five decades...