The dwarf planet candidate, called ED138, appeared in telescope images and takes roughly 280 years to orbit the sun.

A new study suggests that most of Earth's carbon originated in the outer solar system and didn't arrive here until the late stages of planetary development. The study, led by researchers at Yale and ...

To determine Ryugu's age, researchers probed the samples for a mineral called dolomite, which can carry radioactive manganese ...

An artist's impression of an icy body breaking apart in the outer Solar System. Debris from distant objects can eventually ...

The Sun’s death is not an event the planets will quietly survive—it is the trigger for their orbital undoing.” ...

Scientists with the U.S. National Science Foundation have identified a large object in the outer reaches of the solar system ...

Researchers have discovered a white dwarf surrounded by a debris disk with 2 separate rings. It offers a possible glimpse of our solar system's future.

Artist’s concept of a dwarf planet. Astronomers have discovered a remarkably large icy object beyond Pluto that could become ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

Artist's concept showing a very young star surrounded by a disk of gas and dust. (NASA/JPL) There are many contrasts between ice and fire in both real and fictional worlds – from the volcanoes of ...

This video depicts a simulation of millions of small solar system objects that astronomers said the Vera C. Rubin Observatory will discover in the next 10 years. Video via Jake Andrew Kurlander/ ...