It is believed that plants first arose on land 100 million years earlier than previous studies had suggested.
It turns out that our closest neighboring galaxy is not the behemoth that scientists had previously thought it to be.
The space rock known as 'Oumuamua is thought to have been tumbling around chaotically for billions of years.
The ice, which is thought to descend almost 330ft, could help to support a future manned presence on Mars.
Researchers have identified what is thought to be the earliest known example of a physical practical joke.
The record-breaking achievement is thought to represent the longest ever gap between conception and birth.
The crest-tailed mulgara - a small carnivorous marsupial - was thought to have died out a century ago.
Marine biologists have identified what could potentially be the world's oldest living vertebrate.
An asteroid thought to have come from another solar system is to be checked for signs of alien technology.
The Church of the Holy Sepulchre in Jerusalem is now thought to date back more than 1,700 years.
Dark streaks on the Martian surface thought to be evidence of water may actually be little more than sand.
An asteroid thought to have come from interstellar space is carrying organic carbon-based molecules.
A series of names carved in to the rocks of Dalhousie Mountain are thought to date back over 100 years.
A ceramic box thought to contain the remains of Buddha himself has been discovered in Jingchuan County.
For the first time ever, astronomers have spotted what is thought to be a visitor from a distant star system.
An extinct species of fanged kangaroo survived five million years longer than previously believed.
The enormous supervolcano in Yellowstone National Park could erupt with only a few years' warning.
Dating back over 1,000 years, the tomb is thought to be that of King Te' Chan Ahk of the Wak dynasty.
Thought to be worth more than $250,000, the once-in-a-lifetime discovery was made using a metal detector.
Four of the seven planets in the Trappist-1 system are thought to be home to large amounts of water.