The elderly ape first arrived at the zoo back in 1968.
The probe hit Mars at more than 180 miles per hour and may have exploded.
New technologies document the Etruscan, Roman and Medieval treasures of the Italian city of Volterra.
The agreement was signed after years of negotiations and bans commercial fishing for 35 years in an area that covers 1.1 million sq km of water.
Gene flows between bonobos and chimpanzees were identified over the course of their long history.
Discovery could mean dinosaurs had much bigger brains than they are given credit for.
Palaeontologists have been using a method that turns their results into nonsense.
Brain scans show how men and women react differently to female faces.
What was once a tiny dot in the middle of the Pacific Ocean has grown to 12 times its original size.
A major earthquake struck Bhutan in 1714, meaning entire Himalayan arc has shaken at some point in last 500 years.
Scientists have new hypothesis about why ice sheets advance and retreat on a 100,000-year time scale.
Where once the big cat covered Mesoamerica, their populations have becoming further cut off from each other.
The centre looks after 50 baby chimpanzees who were snatched from their families for the pet trade or orphaned when their mothers were killed for bushmeat.
Living Planet Report 2016 shows a dangerous decline of up to 81% of population of fresh water species.
The tomb is being restored, giving researchers unprecedented access.
If humans could see radiowaves then this is what the night sky would look like.
Two quakes have hit Italy two months after Amatrice disaster left nearly 300 dead.
Astronomers remain puzzled about star's mysterious dimming light, but dismiss 'Dyson' theory.
Evidence that humans skinned lions and used their furs in rituals has been found in Spanish cave.
Survey reveals aftermath of extreme underwater heatwave over 2015 and 2016.
Paintings of Spanish settlers in remote Mexican caves shed new light on brutal colonisation of the Americas.
Document had been plundered by antiquities robbers in Judean Desert cave.
Advances in satellite technology have yielded extraordinarily detailed images of our planet, allowing us to see how everything on Earth is connected.
A camera on Cassini spacecraft revealed a change in colour on the northern polar region of the planet which occurred in four years.
A wet spring and sunny summer have created perfect conditions for a vivid display of autumn foliage.
Understanding the habits of young albatrosses will help conservation efforts.
Family members were buried carefully but enemies were thrown into graves with disrespect.
A fossil shows that parrots like those alive today were in northern Asia millions of years ago.
The influx of warm ocean water beneath ice shelves in the Amundsen Sea has accelerated the loss of ice.
A species of fish has been found to make noises like a drum roll.