Do the organics in Enceladus’ ocean point to habitability?

View larger. | Artist’s illustration of the water vapor plumes on Saturn’s moon Enceladus. They erupt…

New details about Betelbuddy, Betelgeuse’s companion star

The ‘Alopeke instrument on the Gemini North Telescope first captured Betelgeuse’s companion – nicknamed Betelbuddy –…

Webb glimpses doomed star before its explosion

This image shows a combined James Webb Space Telescope and Hubble Space Telescope view of the…

New study says water in Venus’ clouds surprisingly abundant

View larger. | Artist’s illustration of Pioneer Venus 2 approaching Venus in 1978. The mission consisted…

How high up are meteors when they begin to glow?

View at EarthSky Community Photos. | John Ashley submitted this photo taken on August 13, 2025,…

Mars missions image Comet 3I/ATLAS during red planet flyby

On 3 October, ESA’s ExoMars Trace Gas Orbiter (TGO) turned its eyes toward interstellar comet 3I/ATLAS…

Early universe was warmer than expected, new study says

Ridhima Nunhokee, of the Curtin Institute of Radio Astronomy in Australia, gives a brief overview of…

2 asteroids safely buzzed by Earth this past week

An asteroid with the name 2025 TF passed Earth not far above Antarctica at 7:49 p.m.…

New Tumbleweed rovers could transform Mars exploration

View larger. | Prototype of a Tumbleweed rover nicknamed Pink Lady, in the Negev desert in…

Moon-forming disk found around massive planet

Artist’s concept of a moon-forming disk of dust and gas encircling the young exoplanet, CT Cha…