The phenomenon has been hailed as a miracle, prompting an investigation by church officials.
Footage of the phenomenon, which worshippers have described as a 'miracle', was recently shared online.
A new type of superconductor called LK-99 has been dubbed one of the holy grails of physics and engineering.
The pontiff's intervention came in response to the case of a woman who is under investigation for allegedly faking 'miracles'.
Archaeologists have unearthed one of the most important discoveries of recent years - a huge tunnel beneath a temple in Egypt.
A plant once known as silphion may still be around today despite disappearing 2,000 years ago.
A skier who was buried for five hours has been rescued in what has been described as a 'Christmas miracle'.
Pope Francis has declared that Fulton J Sheen, who died in 1979, is responsible for saving a baby's life.
Three hives containing a population of over 180,000 bees were left unscathed by this week's devastating fire.
Situated in Sydney, Australia, the house has gained a reputation for helping couples conceive children.
Hundreds of people have been flocking to Argentina to witness what some are calling a modern miracle.
A video recorded in the Chapel of Saltillo in Mexico shows a statue's eyes opening all on their own.
A baby's unexpected recovery has been attributed to divine intervention after a meeting with the Pope.
A relic containing the blood of a 3rd century saint appeared to liquify after the Pope kissed it.
The Egyptian military has backtracked on the release of its mysterious AIDS and hepatitis C cure.
The Miracle Commission sifts through thousands of claims a year in their search for new miracles.
The late pontiff is set to be canonized after a second miracle has been attributed to his intervention.
A New York University student has invented a medical gel that could make conventional bandages obselete.
Hailed as a miracle material, researchers have discovered the thinnest known anti-corrosive material.
An 11-year-old boy who contracted a flesh-eating bacteria is fully recovered thanks to Blessed Kateri.