Long thought to be completely disordered, space ice appears to have some crystallized regions, new research suggests.

A quiet, glowing gas cloud has been hiding in plain sight not far from Earth. For decades, astronomers have predicted that ...

Recent observations of the outer Solar System using the Subaru Telescope have uncovered objects where none were expected, hinting at the possibility of a larger and more complex structure in our ...

If you travel far enough away from the Sun, the Solar System becomes a lot more populated. Out past the orbit of Neptune lies the Kuiper Belt, a vast, ring-shaped field of icy rocks. This is where ...

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Astronomers have discovered that billions of comets in an icy shell around the solar system called the Oort Cloud mimic the spiral structure of the Milky Way.

What are the key learning points about the Solar System? The structure of the Solar System. The order of the planets. Natural and artificial satellites close satelliteBody that orbits a planet.

A long time ago in an arm of the galaxy about three kiloparsecs away, our Solar System began to take shape.

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.