EarthSky

This story was originally published by the NASA Webb Mission Team. Edits by EarthSky. Editor’s note: This post highlights data from Webb science in progress, which has not yet been

Artist’s impression of a quadruple star system against the backdrop of the Milky Way. On the left, the pair of stars UPM J1040-3551 Aa and Ab appear as a distant

View larger. | Corals on Mars? NASA’s Curiosity rover used its Mars Hand Lens Imager (MAHLI) to photograph this small rock nicknamed Paposo on July 24, 2025 (Martian sol 4609).

The Eye of Sauron is a striking image of the plasma jet in the blazar PKS 1424+240, seen head-on. A nearly perfect toroidal magnetic field (in orange) threads the jet.

The Hubble Space Telescope has identified a rare massive white dwarf star 128 light-years away that astronomers say likely resulted from a stellar merger like this. Video via NASA’s Goddard

View larger. | Artist’s concept of a new type of supernova, showing the explosive interaction between a black hole and a massive nearby star (blue). As the separation between the

New research has found that rogue planets – planets that don’t orbit stars – could have planets of their own. Watch this video for more details. Free-floating planets, or rogue

Watch more about the strange spiral in the night sky that many people saw while looking for Perseid meteors on August 12, 2025. EarthSky’s Deborah Byrd talks about the rocket

This is a simulated 3D view of clumps of gas in the center of a dark matter mini-halo. A new study in Taiwan said the chaotic early universe experienced supersonic

Artist concept of 2 intermediate black holes merging that generate gravitational waves. Astronomers can track gravitational waves to help them locate smaller, stellar black holes. Image via Simulating eXtreme Spacetimes