The 'sail' would have been used to store fat or regulate temperature.
Sean Martin Dec 16, 2015
Westwood and husband Andreas Kronthaler strip off in protest video to end ecocide.
Alice Cuffe Dec 16, 2015
Getting giant pandas to mate is notoriously difficult – so giving them a choice of partners is the way forward.
Hannah Osborne Dec 16, 2015
New research shows Hermaphroditus was idolised among Roman men, despite previous belief.
Matt Atherton Dec 16, 2015
British astronaut Peake starts his six-month mission on the International Space Station.
Adam Justice Dec 16, 2015
Sydney was struck by a rare tornado, bringing down walls, trees and power lines and ripping off roofs.
David Sim Dec 16, 2015
Swedish study traces dog domestication origin to Southeast Asia.
India Ashok Dec 16, 2015
Storm bringing fastest winds ever recorded in New South Wales lashed Sydney on 16 December.
Umberto Bacchi Dec 16, 2015
The new software allows the AI system to identify handwritten alphabets as quickly as humans can do.
India Ashok Dec 16, 2015
Research shows giant waves can occur in the deep ocean, without any prior warning or cause.
Matt Atherton Dec 16, 2015
Zoo gave the great apes presents filled with their favourite snacks.
Alfred Joyner Dec 15, 2015
Research shows the speed that a galaxy spins affects how it looks through a telescope.
Matt Atherton Dec 15, 2015
Arctic Report Card shows highest air temperatures and least amount of ice cover, since records began in 1979.
Matt Atherton Dec 15, 2015
After the fork was removed, the turtle paused for a few moments but then quickly began to move back to the ocean.
Adam Justice Dec 15, 2015
A Saharna dust cloud is expected to cover London and parts of southern and eastern England.
Paul Wright Dec 15, 2015
The first explosion took place before sunrise, followed by two blasts at 8.06am and 11.41am local time.
Adam Justice Dec 15, 2015
Peake successfully launched into space at 11.03am with fellow astronauts Tim Kopra and Yuri Malenchenko.
Adam Justice Dec 15, 2015
Twitter explodes with Photoshopped photos of Cameron watching the Peake launch.
David Sim Dec 15, 2015
It was a successful launch for Tim Peake, as the Soyuz TMA-19M heads for the International Space Station.
Matt Atherton Dec 15, 2015
It is the first time they have cloned so many animals simultaneously.
Sean Martin Dec 15, 2015
Typhoon locally known as Nona leaves trail of death and destruction as it reaches island of Mindoro.
Umberto Bacchi Dec 15, 2015
British astronaut Tim Peake will head to the International Space Station at 11.03am GMT.
Staff Reporter Dec 15, 2015
Southern and eastern parts of England could see high levels of pollution this week.
Paul Wright Dec 15, 2015
An archaeological row has broken out over how the 5,000-year-old gigantic stones were transported from Wales to Wiltshire.
Fiona Keating Dec 14, 2015
It probably won't happen, but if it does we are very unprepared, apparently.
Sean Martin Dec 14, 2015
Dogs plunge their tongues into water then retract them so a column of water raises into their mouths.
Hannah Osborne Dec 14, 2015
The domoic acid toxin, produced by marine algae, causes sea lions to become disorientated and leads to shore strandings.
Matt Atherton Dec 14, 2015
While we recognise our responsibility to our family's future, we're blasé about future of humanity.
Mark Bentley Dec 14, 2015
Researchers have found water on planets outside of the solar system, which had previously been blocked by clouds.
Matt Atherton Dec 14, 2015
Blue-banded bee can head-bang at 350 times per second.
Matt Atherton Dec 14, 2015