A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

For every rule in the cosmos, there is a spectacular exception. While most planets orbit in a neat plane, Pluto tumbles at a ...

Perhaps it's time to rebrand.

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation ...

New study of Voyager 2 data shows Uranus experienced a solar wind event during the 1986 flyby, helping explain unusual magnetosphere readings ...

An international team led by researchers from the Department of Earth and Planetary Sciences at The University of Hong Kong ...

A new study published in Planet reveals a Micro-XRD method to quantitatively measure the ancient collision histories of ...