Ancient Babylonian and Greek records reveal how Earth is slowing down
Slowing rotation means our days are getting longer every century.
'Ailing' Buzz Aldrin evacuated from the South Pole after falling ill
Astronaut was visiting Antarctica as part of a tourist group.
Tiny asteroid is the smallest ever studied – but it came from a beast the size of Los Angeles
Asteroid 2015 TC25 will help scientists understand the bigger ones that meteorites come from.
Millennium Eruption at North Korea's volcano was so big it should've cooled the planet for years
Eruption in 946CE released more climate forcing gasses than any other volcano in last 2,000 years.
The vindication of Gaëtan Dugas: How scientists finally vanquished the 'Patient Zero' myth
Dugas died in 1984 at the age of 31 from kidney failure from Aids-related infections.
Hands up for HIV Prevention: Why stopping HIV is key to World Aids Day 2016
Executive director of UNAIDS said we are winning Aids epidemic, but progress is not being seen everywhere.
Weird quantum effect spotted in empty space 80 years after astronomers predicted it
Light emitted from neutron star appears to be subject to quantum effect 'vacuum birefringence'.
We have the potential to regrow our own limbs – we just haven't worked out how yet
Our 'close relatives' acorn worms can regrow every major body part after being cut in half.
Into the abyss: Our planet's biggest exposed fault has been seen for the first time
Banda Detachment will 'explain how one of Earth's deepest sea areas became so deep'.
Psychopaths feel regret, they just can't use it to adapt their behaviour
Study indicates behaviour associated with psychopathy comes from problems with decision-making processes.
Einstein's theory says the speed of light is constant – but what if he was wrong?
Researchers say the speed of light might have been much faster in the very early universe.
San Francisco's Millennium Tower is sinking by 4cm every year and no one really knows why
Skyscraper at centre of city has been sinking and tilting since it was completed in 2009.
Africa's tallest tree discovered in remote valley of Kilimanjaro
Scientists say urgent action is needed to protect region in which the natural wonder is located.
Where will the next mega earthquake hit? Curvy faults may be key
Scientists say likelihood that fault curvature is linked to megathrust earthquakes is over 99%.
GHB: The dangerous drug Stephen Port used to rape and murder four men
Gamma-Hydroxybutyrate is used to treat sleeping disorder narcolepsy but has become a known date-rape drug.
Extremely rare and ancient 'thinking man' jug discovered in Israel
Vessel dates to Middle Bronze Age and was found alongside daggers, an axe head and arrowheads.
Bigger penises make female fish evolve bigger brains – so they can avoid males
Females appear to evolve increased cognitive ability so they can avoid male mating attempts.
Young blood appears to rejuvenate old mice. But what happens when you give young mice old blood?
New method of swapping blood between mice reveals how old blood has massive adverse effect.
An ocean of water exists deep beneath Earth's surface – and if it dries up we're all dead
Scientists find the mineral brucite can store and transport water at far greater depths than thought.
Sergio Canavero unveils another milestone in his plan to carry out world's first human head transplant
Italian neurosurgeon unveiled the surgical blade and virtual reality system he plans to use for the operation.
Cryonic freezing: Meet the people who want to be brought back to life in the future
Members of Cryonics UK explain why they want to be frozen in the hope of being revived.
Want to live past 90? Women who have children later live longer
Having two to four children was also associated with living for longer.
66 million years after the dinosaur-killing asteroid struck, scientists drilled into its crater – here's what they found...
Scientists find out how the peak of the Chicxulub crater in Mexico collapsed.
This is the roundest thing you will ever see
Extremely spherical star discovered slowly rotating 5,000 light years from Earth.
Sea sponge inspires cancer drug without the toxic side effects of chemotherapy
Synthetic version of rare compound from Diazona angulata used to treat leukaemia, breast and colon cancer.
Autism may have spurred human evolution through logic and detail-based skills
Collaborative morality among hunter-gatherers included people with autism traits, allowing their skills to flourish.
Doctors report rare case of penile strangulation after man puts wedding ring on penis
Man admitted to hospital with 'penile strangulation' after putting wedding ring on it for 'erotic reasons'.
Stephen Hawking believes humans will have to leave Earth in next 1,000 years – or go extinct
Physicist says mankind would need to move to a new planet in coming millennium if we are to survive.
US experts just halved the maximum screen time recommended for under 5s
Child psychiatrist warns children under 2 should not be exposed to any TV or computer screens.
Incredibly well-preserved graves of some of the earliest Christians in the UK unearthed in Norfolk
Skeletons were discovered inside tree-trunk and plank-lined coffins near a wooden structure believed to be a church.
