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…

World Space Week is October 4 to 10. Find events here

The World Space Week Association (WSWA) official poster for World Space Week 2025, celebrated October 4–10…

Rogue planet found growing at astonishing record rate

Artist’s illustration of the rogue planet Cha 1107-7626, which astronomers have spotted eating up gas and…

Auroras on rogue planet in a new alien weather report

Artist’s concept of auroras on rogue planet SIMP 0136. The auroras are near the north pole,…

Astronomers find 2 galaxies linked by a huge gas bridge

This video, provided by the International Center for Radio Astronomy Research (ICRAR), features the lead investigator…

Comet Lemmon might be the best comet of 2025

View at EarthSky Community Photos. | John Chumack in Yellow Springs, Ohio, captured Comet Lemmon (C/2025…