The James Webb Space Telescope (JWST) has once again unveiled astonishing celestial phenomena, most notably the discovery of ...

This magnifies, distorts, and creates multiple images of the background star. ... More free-floating, rogue planet no more massive than planet Earth. Mroz et al. 2020, arXiv:2003.01126.

Captain Planet and The Planeteers is the 1990s comic book remake you never knew you needed, with new takes on the characters and beautiful artwork. advertisement. Bam Smack Pow.

Read More: Conspiracy Theorists Think Planet X Will Kill Us All Soon—here's Why They're Wrong. Whether it exists or not, astronomers will keep on searching for Planet 9 in diverse and creative ways.

Dwarf planet is a more different name and I think it just makes it more confusing." — Timmy, ... I am a dynamical modeler with a strong background in observational astronomy.

Astronomers have discovered an Earth-size rocky world, or "super-Earth," that's hot enough to melt gold and, as a result, may have no atmosphere.

By Jackie Wattles, CNN (CNN) — Waters may be flowing on the surface of a colossal planet that lies about 120 light-years from Earth, according to new evidence uncovered by the James Webb Space ...

Since the International Astronomical Union changed its definition in 2006, Pluto is no longer a planet. Here's why.

A Jupiter-like planet may have survived a violent outburst from its host star, saving it from a fate our planet is destined for in 5 billion years.

Background to Planet Earth Live. Richard Hammond and Julia Bradbury join the world’s best natural history film-makers for the most ambitious live wildlife series ever undertaken.

Why are we so interested in the planet Jupiter?. Jupiter is fascinating. Last time we checked, Jupiter had 63 moons. Io, the craziest moon, has a yellow-orange appearance like pepperoni pizza. As ...