Foeticide is not well understood in primates but could be widespread, researchers say.
A site in Kazakhstan appears conducive to the re-introduction of Amur tigers in Central Asia.
The green beast weighs an estimated 450kg and seems unphased by the nearby wildlife paparazzi.
Now in its sixth year, the prestigious competition attracts the most compelling imagery in landscape, wildlife, nature, travel and adventure from around the planet.
The Halley VI base is being moved to a more secure location on a floating Antarctic ice sheet.
The base will close for eight months and be moved to a safer location further inland.
He was spacecraft commander on his third and most famous space mission on Apollo 17.
Women received significantly less nutritious food than men during the Eastern Zhou Dynasty.
The huge bright, hot structure was found in the upper atmosphere by the Jaxa Akatsuki spacecraft.
Vicious lizardfish have never been found in Australia before.
Shamal winds and unprecedented aridity was responsible for enormous storm.
Ex-Trump adviser Mike McKenna said Arctic drilling was also on the cards.
Max Holmes from the Woods Hole Research Centre explains what thawing permafrost means for the environment and people living in these regions
Archaeologists believe the Ming-dynasty statue was part of a temple.
Disposal by burning or acid baths causes serious health risks to workers, the public and wildlife.
Cambodian forests have been cut down to make way for rubber plantations and fields.
The release of the photos coincided with the Japanese PM's visit to Australia over the weekend.
New York authorities defend themselves over accusations birds don't need killing.
The shrimp's alien-like appearance is due to a 'third eye'.
This was astronauts Shane Kimbrough's fourth and Thomas Pesquet's first spacewalk.
Scientists got a surprise when they put ancient genes into fruit flies to test an old theory.
The big chill that followed the impact appears to have played a bigger role in dinosaur extinction than we thought.
Medicine bottles, coins and medical instruments dating from the 1st Century CE were among the finds.
Over the past week alone, a series of of powerful storms dumped 20 inches (50cm) of precipitation on some areas.
Archaeologists uncover tombs and crypts dating to the reigns of Pharaohs Thutmose III and Amenhotep II.
Storm chaser Mike Olbinski captures lightning, tornadoes and dramatic cloud formations in stunning images that convey the awesome power and beauty of nature.
Scientists show how rattlesnakes and kangaroo rats have evolved attack and evade techniques.
Bite marks indicate Carcharocles megalodon was feeding on relatively small prey before they disappeared.
It's because of the way early humans shared food and how they moved social groups when mating.
Optogenetics used to target area of the brain related to emotion and motivation to trigger hunting behaviour.