At least two watchmen have reported seeing a large black creature with glowing eyes in Karachi, Pakistan.
A bright glowing light was captured earlier this month by one of the cameras aboard NASA's Curiosity rover.
Scientists have solved the mystery of a strange glowing ribbon of green and purple light spotted over Canada.
Fossil spiders discovered in South Korea still have glowing eyes despite being over 110 million years old.
A peculiar strip of glowing light spotted in the sky over Canada has left scientists scratching their heads.
A long-running mystery concerning an unexplained glow in parts of the night sky has finally been solved.
By embedding nanoparticles in leaves, scientists at MIT have created plants that glow in the dark.
Astronomers have found an extrasolar world with what has been described as a 'glowing water atmosphere'.
The peculiar sighting is just one of several to have been reported over the Russian capital recently.
New details have emerged about the mysterious crater which opened up in a remote part of Siberia in 2013.
Footage recorded at the beginning of the year seems to show lightning hitting a glowing orb in the sky.
Scientists have discovered a bizarre new species of shark that has been given an even more bizarre name.
Scientists have observed a glow in space that could have come from another universe colliding with ours.
A glow similar to the Northern Lights has been picked up around a brown dwarf star 20 light years away.
Footage has emerged online of a strange glowing disc-shaped object that appears to spin in the sky.
Geologists have been investigating a glowing orange hole that opened up on a Chinese mountain.
Two pilots reported seeing a strange but beautiful underwater light show while flying near Kamchatka.
An incident involving a strange glowing silt pond would go on to spark a mystery spanning four decades.
A luminescent statue of the Virgin Mary has been attracting huge crowds of people on a daily basis.
A science team in South China achieved the feat by injecting the animals with the DNA of a jellyfish.