View larger. | Artist’s concept of TRAPPIST-1 d. New observations of the exoplanet by the James…
Category: Earth Sky
5 bright comets approaching Earth. Charts here!
Michael Jaeger captured this recent image of Comet C/2025 A6 Lemmon. Used with permission. Comet Lemmon…
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…