BEIJING, May 9 (Xinhua) -- For decades, scientists have been trying to solve a mystery: Where do high-energy cosmic rays come from? These charged...

Scientists studying mysterious ultra-powerful cosmic rays have...

Scientists have identified the Yarrabubba impact crater in Western Australia as the Earth's oldest, dating back 2.229 billion years. This ancient...

Bermuda's volcanic rocks may reveal a hidden water-rich layer deep inside Earth, reshaping ideas about mantle structure and ancient recycled crust.

An asteroid roughly the size of one to two school buses will fly by Earth Monday, coming as close as 91,593 kilometers (56,913 miles), according to...

Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say private companies have no...

Tyrannosaurs may be famous as fearsome apex predators,...

Tyrannosaurs may be famous as fearsome apex predators,...

By Jacopo Prisco, CNN An asteroid roughly the size of one to two school buses will soon fly by Earth, coming as close as 91,593 kilometres (56,913...

Not all parts of the Earth's surface are equally exposed to storms. Some areas of the planet have developed such high levels of activity that they are...