WWF condemns Australia's denial that Great Barrier Reef facing 'serious declines in health'
Australian government says Great Barrier Reef should not be listed as "in danger".
Brad Skow's block universe theory of time, where past, present and future exist all at once
Time does not pass, but instead what we think of as being our past exists in another part of spacetime.
Critically endangered Saharan cheetah 'one of rarest carnivores on the planet' [Photos]
Study establishes there are less than 250 of the species left in the Sahara.
California: Ominous explosion of sea slugs 'could signal forthcoming mass extinction'
Population explosion of bright pink sea slugs linked with warming ocean temperatures.
Siberian brain surgery techniques from 2,300 years ago performed by scientists
Neurosurgeons recreate ancient brain surgery to find out how doctors used tools to scrape skulls.
Watch chicks count from left to right just like humans do
Newborn chicks associate low numbers to their left and high numbers to their right.
Pregnancy evolved in mammals 'by chance through ancient genomic parasites'
Large-scale genetic changes that took place for mammal pregnancy to occur discovered.
Science vs Religion: Paradoxical American 'post seculars' believe in both
Fifth of Americans accept both science and the Bible as the literal word of God
Hunga Tonga: Underwater volcano creates new island in Polynesian archipelago
Volcano Hunga Tonga has been erupting for the last month and has created a new island.
Rare 15ft megamouth shark washes up on Philippines beach [Photos]
Megamouth shark in Pio Duran was only the 60th of the species ever to have been seen.
Israel: Skull shows Neanderthals and modern humans 'met and mated' 55,000 years ago
Partial skull found in West Galilee show both species inhabited same are at same time.
Amazing footage shows African golden cat hunting in daylight for first time
Extremely elusive African golden cat shown hunting red colobus monkeys.
E. O. Wilson: I'm not an atheist but religion should be eliminated
Renowned biologist says religious faith is holding back human progress.
Centuries old mummified monk found meditating in Mongolia
Mummified monk from 1800s found perfectly preserved in lotus position.
'Mouth of the beast' pictured in Gum Nebula with Very Large Telescope
ESO's Very Large Telescope captures 'gaping mouth of a gigantic celestial creature'.
Ancient Maya offered sacrifices to water god and underworld demons to save civilisation
Mayans turned into 'drought cult' as climate change triggered ultimate collapse of civilisation.
Gay burying beetles show adaptive purpose of homosexuality
Beetle study shows evolutionary strategy for homosexual behaviour.
Violent psychopaths 'cannot understand punishment' due to brain abnormalities
Brain abnormalities relating to learning from punishment seen in violent psychopaths.
Dinosaur-eating snake among world's oldest species ever discovered is 167 million years old
Ancient snake fossils found to be 70 million years older than previous oldest specimen.
Planets as old as the universe 'could point to extremely advanced alien civilisations'
Five Earth-sized planets discovered orbiting 11.2 billion year old star Kepler-444.
Ancient 'Lord of the Rings-style' forest discovered under sea off Norfolk coast
Underwater forest dating back 10,000 years discovered by amateur diver.
Chemical pollution 'causing polar bear penises to break'
Pollutants reducing density of polar bear penis bones, potentially preventing successful mating.
Winter Storm Juno: Historic snowstorm 'typical of climate change expectations'
Climate scientists say the "once-in-a-century" snowstorm is entirely predictable.
Thirst on-off switch makes mice drink equivalent of 7 pints of water in one go
Area of the brain that regulates thirst discovered by scientists.
New tattoos found on Otzi the Iceman support prehistoric acupuncture theory
Advanced imaging techniques reveal 61 newly-discovered tattoos on the 5,300-year-old mummy
UFO hunters turn to Kickstarter to fund global database for extraterrestrials
Mutual UFO Network launches money-raising campaign to fund global database.
#SmearForSmear: Stop rubbing lipstick on your face and get a smear test
Cervical cancer is the most common cancer in women under 35. It is also the most preventable.
Winter Storm Juno: New York, Boston and Connecticut braced for 'worst snowstorm in history' as 1,800 flights cancelled
Juno expected to bring blizzard conditions to several US East Coast states.
Families talking to coma victims 'significantly speeds recovery'
Study shows family members telling stories to coma victims helps awaken unconscious brain.
Genghis Khan challenged for title of world's most prolific seed spreader
Genghis Khan's genetic legacy challenged by 10 other men identified by science.
