Pastor Emmanuel Momoh discovered the monster-sized diamond while mining in the country's Kono region.
The groundbreaking find pushes back the evolution of complex life forms by another 400 million years.
Scientists have found that the South American polka-dot tree frog possesses a rather unique complexion.
The 400,000-year-old fossil cranium has been hailed as the oldest discovery of its kind in the country.
Archaeologists have confirmed the discovery of a 3,000-year-old Ramses II statue within a Cairo slum.
Residents of Onoway, Alberta were alarmed to discover that their tap water was running bright pink.
Archaeologists have discovered an ancient table-like stone structure inscribed with mysterious artwork.
Scientists have revealed that Mars was much wetter and therefore more habitable than previously thought.
Scientists have identified a previously unknown species of primordial giant worm with huge snapping jaws.
NASA has announced the discovery of seven new planets including three within their star's habitable zone.
One of the world's rarest snakes has been sighted again for the first time in more than six decades.
The space agency is due to announce its latest findings at a press conference on Wednesday morning.
A peculiar prehistoric discovery has left scientists scratching their heads for more than five decades.
NASA's Dawn spacecraft has found carbon-based materials similar to those found on the early Earth.
Scientists have discovered that not all prehistoric marine reptiles laid eggs like crocodiles do.
The significant haul of new worlds includes a potentially habitable 'super-Earth' with a rocky surface.
The cave, though previously looted of its scrolls, is the first to be discovered in more than 60 years.
More than 450 large geometrical geoglyphs have been discovered in areas cleared by deforestation.
Known as Handle, the new robot has been described as 'nightmare-inducing' by founder Marc Raibert.
The famed movie director has linked the discovery of bronze age anchors to the legend of Atlantis.