This fearsome carnivore would have given even today's lions and tigers a run for their money.
NASA has announced its mystery reveal - the record-breaking detection of a star 12.9 billion light years away.
Over the last 30 years, scientists have succeeded in identifying a staggering 5,000 planets in distant solar systems.
New research has indicated that our ancestors lived alongside these gargantuan mammals until relatively recently.
The historic Incan site might not have actually been called Macchu Picchu by its inhabitants.
The multi-billion pound project would work by generating energy in space, then transferring it back to Earth.
The potential existence of an undiscovered planet in our own solar system has intrigued astronomers for years.
New research has suggested that the process of creating cave paintings may have been a family affair.
The discovery, which dates back to the 14th-Century, has been described as 'remarkable'.
YouTube videos designed to trigger ASMR have been proving increasingly popular in recent years.
It has been 25 years since a mass UFO sightings over Phoenix, Arizona captivated the world.
The tube, which was collected by the crew of the Apollo 17 mission, has remained untouched for 50 years.
A 32-year-old man has ended up marrying three identical triplets after all three of them fell in love with him.
A Carboniferous cephalopod that once roamed the prehistoric seas has received a rather familiar moniker.
The iconic vessel has finally been discovered in the waters off Antarctica some 106 years after it sank.
The rocket is thought to have hit the Moon's far side after being tracked over the course of several years.
How likely is it that we will evolve into a more advanced species than we are at present ?
A jogger recently came across this indescribable creature and nobody seems to know what on Earth it is.
This innocent snap captured during a family day out to a popular swimming spot appears to show something unexpected.
Given the number of teams out there who are searching for the creature, why haven't they found it yet ?