A study of massive landslides on Saturn's moon Iapetus shed light on how such events occur there and on Earth.

The unique social split dividing a population of bottlenose dolphins in Moreton Bay, Australia is over, scientists say.

A formerly sceptical climate scientist says human activity is causing the Earth to warm, as a new study confirms earlier results on rising temperatures.

Images from a Nasa spacecraft show that US flags planted in the lunar soil by Apollo astronauts are mostly still standing.

Uganda's President Yoweri Museveni urges people to avoid physical contact, as one person dies from the deadly Ebola virus in the capital, Kampala.