Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

The most widely accepted scientific explanation for the arrival of all complex life on Earth has had an unsolved mystery at its heart. According to the theory, all plants, animals and fungi, known ...

For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually ...

Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have gotten progressively longer as a result. While Earth's slowdown is not ...

The science pros at TKOR explain how melting diamonds with pure oxygen works, showing extreme chemistry and thermal physics.

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...

Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have gotten progressively longer as a result. While Earth's slowdown is not ...