There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.

Professor Loren E. Babcock examines the key processes of fossilization in paleontology, highlighting the critical role of ...

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...

Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The “gravity hole” formed at least 70 million years ago after convection in Earth’s mantle. The weak gravity could impact our ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

New research shows that early land plants started influencing Earth’s climate hundreds of millions of years earlier than ...

A resurrected ancient enzyme is helping scientists test how reliably Earth’s oldest rocks record signs of life.

When Emily Lin eyed the non-vegetarian options at her school, she could taste the challenge. The Arroyo High School senior, 17, spent a whirlwind year changing the school lunch program at El Monte ...