nature

This is how long-term dry weather is defined. During a drought, the available water in a geographic region falls below normal parameters.

This is the first period of the Mesozoic era, spanning from 245 million years ago to 208 million years ago.

Scientists and engineers have been increasingly concerned about the so-called "solar wind" lately. Do you know what it is exactly?

It refers to the third and last period of the Mesozoic era, which spans from 144 million years ago to 65 million years ago.

The caves and wells of karst (or karst) landscapes have been formed due to the erosion of soft calcareous rocks such as limestone and gypsum.

There are eighteen species of penguin that live, mostly, in the southern hemisphere, with the exception of the booby bird, of the tropical Galapagos Islands.

Explorers have discovered in the depths of the waters of the Philippines more than 100 supposed new species.

A study promoted by the University of Alaska, Woods Hole Oceanographic Institution and the US National Oceanic and Atmospheric Administration (NOAA) has revealed that the acidity levels of surface waters in the Beaufort and Chukchi Seas, in the Arctic Ocean, are increasing alarmingly.