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 ...
From an incredible series of revelations about the ancient humans called Denisovans to surprising discoveries about tool ...
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 ...
There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before.