Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Scientists uncover hidden land under Iceland, questioning our understanding of Earth's continents and tectonic plates.

To account for the numerous gaps in the fossil record, they treated the parts of the world where fossils have not been ...

Several faculty at the University of California, Davis, are among the recipients of presidential awards for excellence in STEM mentoring and research announced by the White House Jan. 13 and 14. The ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

Human-caused climate change increased the likelihood and intensity of the hot, dry and windy conditions that fanned the ...

Scientists believe the glow could be the result of unique chemical changes triggered by the energy from the auroras.