Ancient rock containing bacterial fossils sheds light on the existence of life on Earth before there was even oxygen.
The discovery of the old fossils of bacteria dated 2.5 billion years ago. Their existence indicate there were early life forms that existed on Earth without any oxygen.
Planet Earth II producer thought they were facing animal extinction upon seeing the devastating deaths of antelopes.
Space World was forced to close down after Facebook comments flooded.
Unless people stop burning fossil fuels, the effects of global warming on the Arctic could bring potentially disastrous "bad surprises."
The massive exposed fault on Earth is found and could lead to understanding how one of the Earth's deepest sea areas became so deep.
Water beyond its abundance could also act strangely in some ways particularly if confined inside the nanotubes.
What does "dead Sun" mean for Earth?
The acorn worm could regenerate most body parts even after being sliced in half. Could this open the doors for human regeneration soon?
Most experts say that the snow pyramids are proof that extraterrestrial beings exist.
About 49 big sinkholes were uncovered and the largest is deeper than the Eiffel Tower and its diameter is wider than the height of the Empire State Building.