A huge mushroom weighing 12.5 kilograms with a diameter of 50 centimeters was found in Alatai city of northwestern China's Xinjiang Uygur Autonomous Region, attracting much attention. The mushroom was identified by a local forestry expert

Major threats to the planet such as climate change, the rate of extinction of species, and the challenge of feeding a growing population are among the many that remain unresolved, and all of them put humanity at risk.

A rock quarried on Orkney was blasted into space to find out if meteorites could carry primitive life from one planet to another. One theory being tested is whether life could have arrived on Earth from Mars.

Welsh scientists analyzing a clam shell from the North Atlantic off the coast of Iceland determined it was the oldest living animal in recorded history. Scientists are able to determine the age of a clam by counting the growth rings in its shell.

Minnesota 24-year-old found dead after responding to Craigslist post