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

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

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

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

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

An international team led by researchers from the Department of Earth and Planetary Sciences at The University of Hong Kong ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

Evolution is neither purposeful nor intentional: it has no ideal, aim, or end-point. For evolutionary change, there are no ...

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded ...

Quantum 2.0: The Weird Physics Driving a New Revolution in Technology by Paul Davies (Feb. 6, $26, ISBN 978-0-226-84932-4) ...

Three more papers on the samples brought back from asteroid Bennu reveal the place contains the building blocks of DNA and ...