The size of the tyrant lizard's arms has long puzzled scientists - why were they so small relative to their bodies ?
Millions of years ago, enormous octopuses up to 62ft in length roamed the Earth's prehistoric oceans.
A giant, visually striking invasive species of spider has been spreading rapidly across the continental United States.
A woman from Brisbane recently woke up in the dead of night to discover that she had a rather unexpected visitor.
Scientists at the Schmidt Ocean Institute recently captured footage of this elusive giant of the deep.
It's time again to take a look back at the most popular historical mysteries and discoveries from the last 12 months.
Scientists have identified a strange structure beneath the region that is like nothing else found on Earth.
New satellite data reportedly backs up claims of huge structures situated deep beneath Egypt's Giza Plateau.
Local wildlife officials were amazed when they received a report of giant tentacles washed up along the shoreline.
Prehistoric North America was home to giant pigs that stood as tall as a human, even when on four legs.
A terrifying monster said to be a cross between a dog and a giant ape has been spoken about in stories for years.
The defense giant has revealed what it describes as a 'Group 5 survivable and lethal collaborative combat aircraft'.
Dark matter accumulating in the cores of particular large planets could help us to finally confirm its existence.
Astronomers believe that they have discovered a gas giant in orbit around the star Alpha Centauri A.
The legendary 'Lord of the Rings' director has set his sights on resurrecting one of New Zealand's most iconic species.
Archaeologists have been left perplexed by the sheer size of the shoes and why there are quite so many of them.
Helicopter footage of a giant snake in the Amazon has recently gone viral online, but not everyone is convinced.
The giant atom smasher has achieved something that, for hundreds of years, alchemists could only dream of.
Known as Prototaxites, these giant fossilized structures have long proven impossible to properly categorize.
A woman dressed as a mermaid was performing at an aquarium when a large fish almost swallowed up her head.