New moon discovered orbiting inside distant Uranus’ rings

This story was originally published by the NASA Webb Mission Team. Edits by EarthSky. Editor’s note:…

Rare quadruple star system could unlock brown dwarf mystery

Artist’s impression of a quadruple star system against the backdrop of the Milky Way. On the…

Corals on Mars? NASA rover finds more remarkably weird rocks

View larger. | Corals on Mars? Curiosity used its Mars Hand Lens Imager (MAHLI) to photograph…

‘Eye of Sauron’ blazar is source of a powerful cosmic jet

The Eye of Sauron is a striking image of the plasma jet in the blazar PKS…

Rare massive white dwarf was born when 2 stars collided

The Hubble Space Telescope has identified a rare massive white dwarf star 128 light-years away that…

New type of supernova, as a black hole triggers a star explosion

View larger. | Artist’s concept of a new type of supernova, showing the explosive interaction between…

Giant free-floating planets might have planets of their own

New research has found that rogue planets – planets that don’t orbit stars – could have…

Strange spiral in the night sky was a rocket fuel dump

View at EarthSky Community Photos. | Lorraine Boyd in Delmar, New York, spotted the strange spiral…

Surprisingly chaotic early universe had supersonic turbulence

This is a 3D view of clumps of gas in the center of a dark matter…

Meet intermediate black holes: Between stellar and massive

Artist concept of 2 intermediate black holes merging that generate gravitational waves. Astronomers can track gravitational…