From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

Understanding where and in what quantities essential elements for life have existed on Earth's surface helps explain the ...

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

The world of space remains one of the great unknowns for scientists on Earth. The immensity of what is 'out there' means that any small discovery becomes news. Although in these s ...

Scientists have long agreed this event was triggered by a sudden surge in greenhouse gases which resulted in an intense and ...

Scientists say they may have finally found evidence of life's hidden rule which helps govern how species spread across the ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

They reveal that the chemical composition of the deep mantle has remained almost intact since the Earth's formation 4.5 ...

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to ...

First study to explore how ancient reptiles spread across the Earth after the end-Permian mass extinction. New research ...