Of all known planets, Earth is as friendly to life as any planet could possibly be -- or is it? If Jupiter's orbit changes, a new study shows Earth could be more hospitable than it is today.

Ancient crystals reveal that Earth began recycling its crust and forming continents billions of years earlier than scientists once believed.

Recent changes to vegetation cover are causing Earth's surface to heat up. Activities like cutting down evergreen forests for agricultural expansion in the tropics create energy imbalances ...

The other potential changes, like structural shifts, have received less attention. The inner core, situated 3,000 miles beneath the Earth's surface, is held within the molten outer core.

Even small changes in solar activity can impact Earth's climate in significant and surprisingly complex ways, researchers say.

These astronomical cycles change the amount of incoming solar radiation that reaches Earth's surface and, in doing so, they control climate.

The inner core of the Earth, which is found about 3,000 miles (4,828 kilometers) under the surface, sits within a molten outer core, and is anchored by gravity. Once commonly thought of as a solid ...

Press Release Supernovae give off blasts of cosmic rays that bombard the Earth and change its surface rocks by SpaceRef July 15, 2005 ...

Earthquake data suggest that all or small patches of the inner core's surface may be swelling and contracting.

To understand how climate change is altering our planet, it helps to know a little Earth science.

A study of 700-million-year-old rocks suggests that changes in Earth's orbit may have allowed complex life to emerge and thrive during the most hostile climate episode the planet has ever experienced.

Earth's surface gained 115,000 km 2 of water and 173,000 km 2 of land over the past 30 years, including 20,135 km 2 of water and 33,700 km 2 of land in coastal areas. Here, we analyse the gains ...