Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from.

The textbook picture of how planets form—serene, flat disks of cosmic dust—has just received a significant cosmic twist.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

Findings serve as 'picture of the baby solar system' It's not uncommon for astronomers to see protoplanetary discs containing infant Jupiter-like planets around baby stars like HOPS-315.

WISPIT 2b, a gas giant forming around a young Sun-like star, has been directly imaged for the first time inside a spectacular ...

IF summer holiday boredom is setting in, the answer could be written in the stars. Astronomy is growing in popularity across the UK, with retailer Argos reporting sales of telescopes and ...

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

NASA's James Webb Space Telescope has discovered half a dozen rogue planets, one of which apparently hosts a newly forming moon system.

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

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

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A ...