Scientists have found a massive volume of water 1,000km inside of our planet, around a third way to Earth's core: "This water is much deeper than ever found before, at a third of the way to the edge of Earth's core."

In a find unlike anything seen before, a piece of opal from the island of java in indonesia holds some remarkable cargo: a stunningly preserved insect that may be at least four to seven million years old. Previously, plenty of ancient insects have been found in amber, a gemstone made of fossilized tree resin.

I have done field work in the Mazatec region since 2009, and in all these years, I have only seen two types of psilocybin mushrooms for sale in the city of Huautla de Jiménez. However, the article " Seeking the Magic Mushroom " (1957) describes the use of at least seven different species of psychoactive mushrooms in Mexico.

The asteroid Apophis, the potentially hazardous space rock due to pass close to Earth next month, has been photographed by a ground-based telescope project. The image was captured by the Elena robotic telescope unit, which took a single exposure shot of the sky lasting 300 seconds.

(CNN) -- Around the world, fireflies light up the night with their shimmering bodies. But scientists say this magical display is under threat -- with the loss of their natural habitats, pesticide use and artificial light putting some of the 2,000 or so species at risk of extinction.

A series of aggressive actions by orca whales along the coast of Spain and Portugal has left scientists baffled. Many sailors have sent distress calls after orcas have left their boats seriously damaged and crew members injured in the past two months, as detailed by The Observer.

For a few weeks each spring, a lone guard monitors the moors of northern England. This warden pitches a tent in a remote field to watch over a prize so rare that collectors have been known to break laws, trek into deep jungles, and risk capture by guerillas in its pursuit.