For a new experiment, Harvard researchers are planning to spray aerosols in to the Earth's stratosphere.
A man in China who lost his ear in an accident now has a new one thanks to a remarkable procedure.
A catastrophic rise in temperature wiped out the vast majority of life on Earth 250 million years ago.
Residents of Onoway, Alberta were alarmed to discover that their tap water was running bright pink.
A new study has indicated that resurrecting long-extinct species could ultimately do more harm than good.
In some of the world's most polluted cities, exercising outside can actually do more harm than good.
Adriana Irene Macias Hernandez has earned a new world record by lighting 11 candles in 60 seconds.
Wildlife officials are investigating reports of a dolphin that was spotted wearing some sort of garment.
Scientists have moved the minute hand of the Doomsday Clock to two-and-a-half minutes to midnight.
Scientists have warned that global sea levels could continue to rise over the coming decades.
A newly discovered species of seagull-like bird lived at a time when the Arctic was as warm as Florida.
Military amputees are to be among the first to benefit from DARPA's revolutionary new prosthetic arm.
The world's tallest animal has suffered a worrying decline in numbers over the last three decades.
A groundbreaking new study suggests that scientists have underestimated the impact of climate change.
The futuristic-sounding device is designed to combat the threat posed by cheap unmanned aerial drones.
The massive 750,000 square-foot timepiece was run for a whole 24 hours using an army of large lorries.
The US Army has been developing a rideable hoverbike concept that looks a bit like a quadcopter drone.
New data revealed by NASA has shown that global temperatures have been reaching record levels this year.
One of the world's most advanced stealth fighters was unable to take off recently due to a swarm of bees.
Climate scientists have expressed concern over the record-breaking temperatures seen so far this year.