Zealandia is believed to have broken off from Australia and Antarctica around 80 million years ago.
Researchers describe the event as the biggest, unplanned, natural experiment in marine biology history.
Researchers think they have identified the evolutionary process behind this transformation.
Along with white, bull and whaler sharks, a Bryde's whale was seen hunting bait fish very close to shore.
The elusive species was identified after years of searching.
Anticipated new series will debut on BBC One later this year.
The spiders have a smiley-face pattern on their abdomens and are found across the Caribbean region.
Researchers observed significant differences in behaviour between individual fish.
The coral provides the sea creature with shelter and protects it from predators.
Researchers observed jellyfish sleeping, suggesting the behaviour evolved before the emergence of a central nervous system in the animal kingdom.
Tiny but deadly poison frogs have a clever way to stop themselves falling prey to their own venom.
Having the most vibrant distinctive colouring enhances their chances of reproductive success.
Campi Flegrei is a large area of volcanic activity close to Naples.
The creature also represents an entirely new genus, or group of species.
The unusual behaviour may have been linked to sexual activity.
President Enrique Peña Nieto has declared three days of mourning for the second time this month.
The storm ripped trees, destroyed homes and ushered in 'catastrophic flash flooding' to the US territory.
Beelzebufo - or the devil frog as it is known - weighed around 4kg and lived 68 million years ago.
The lesser scaup rises to the challenge of competition by growing a larger penis.
The new species of prehistoric sea creature was discovered in a clay pit near Bielefeld, Germany in the 1980's.
Studying the listening abilities of birds such as the barn owl could lead to new treatments for those with hearing loss.
Maria has maximum sustained winds of 160mph and is just 15 miles east-southeast of Dominica.
The reef faces a major threat in addition to those posed by global warming and rising sea temperatures.
The amount of free oxygen on the planet skyrocketed, making the planet ideal for complex life.
"That's going to look awesome."
Bears are cute, but cuddling them is always a bad idea
The creature has sharp teeth - but no one can say for sure what it is.
Until 2013, the bird had not been seen alive by a single human for more than 100 years.
No other creature has ever had legs quite like this one.
The fearsome crocodile lived among the dinosaurs during the Cretaceous Period.