A remarkable optical illusion posted on Twitter has left many Internet users scratching their heads.
New evidence has suggested that supermassive black holes may be more common than previously thought.
A lightweight, porous metallic material could pave the way for extremely effective bulletproof armor.
A new expedition is aiming to drill in to the crater left by the asteroid that wiped out the dinosaurs.
Samples of horse dung have helped to solve one of the most enduring mysteries of classical warfare.
Lead tablets inscribed with powerful curses have been unearthed at a grave site in Athens, Greece.
A comet bombardment that occurred on Mars 3.9 billion years ago may have created habitable conditions.
Archaeologists have unearthed what is only the second known Viking site ever discovered in North America.
A mysterious star with an atmosphere dominated by oxygen has left scientists scratching their heads.
A man with over 30 years of aviation experience has recorded footage of two unknown objects over Ohio.
Scientists are developing special software that can work out just how long someone is likely to live.
Scientists have been able to determine the skin color of a snake that lived over 10 million years ago.
A new study has suggested that it may be possible to stop alien civilizations from discovering us.
More scans will be needed to confirm what lies behind the walls of King Tutankhamun's tomb in Egypt.
Strange footage has emerged online this week of a large, dark shape surfacing in the River Thames.
A new theory has suggested that the new planet could be responsible for periodic mass extinction events.
The eerily realistic female humanoid robot has been designed to look, act and speak like a real person.
A cross between a robot and a beetle, the cybernetic insect can be commanded to walk or run on demand.
A man wearing a ridiculously life-like dinosaur costume managed to scare more than a few passers-by.
Being extinct hasn't stopped the elusive Tasmanian tiger from making an appearance every once in a while.