Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required ...

The planet has been flipping between two main modes of carbon recovery depending on the state of coral reefs, new research ...

Fossil skulls reveal how extinct mammals smelled the world, with new research linking olfactory bulb size to gene counts.

As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

Fossilized footprints found in both Laetoli, Tanzania, and Trachilos, Crete, may be the earliest evidence of upright walking.

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of ...

Doomsday is giving fans a much different picture of the movie’s core conflict than expected. The casting for the film that ...

The discovery In May 1925 provided fodder for the argument between creationists and evolutionary biologists, but what does ...

Fresh images from NASA's Hubble reveal the unusual features of interstellar comet 3I/ATLAS, offering insights into alien ...

From an incredible series of revelations about the ancient humans called Denisovans to surprising discoveries about tool ...