Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

NASA's James Webb Space Telescope has been used to shed new light on the exoplanet, GJ 1214 b, which is more than eight times the size of Earth, and is located 48 light-years away ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Galaxies come in a very wide range of sizes and masses. Measuring a galaxy's brightness or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan ...

STARGAZERS are in for a treat this month as a rare planet parade falls in Andromeda galaxy season. “One of the best planet parades in almost half a century” will seen Mars, Jupiter, ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the Solar System.

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...