- July 30, 2025IC 2944, also known as the Running Chicken Nebula, the Lambda Centauri Nebula or the λ Centauri Nebula, is an…
- July 29, 2025The Helix Nebula is so named because it also appears that you are looking down the axis of a helix.…
- July 28, 2025Rich with detail, the spiral galaxy NGC 1309 shines in this NASA/ESA Hubble Space Telescope Picture of the Week. NGC…
- July 27, 2025The Antennae Galaxies (also known as NGC 4038/NGC 4039 or Caldwell 60/Caldwell 61) are a pair of interacting galaxies in…
- July 26, 2025The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on, counterclockwise intermediate spiral galaxy located…
- July 25, 2025Meteors from the Kappa Cygnid meteor shower are captured in this time-lapse composite skyscape. The minor meteor shower, with a…
- July 24, 2025In astronomy, a fireball is a very bright meteor -- one at least as bright as Venus and possibly brighter…
- July 23, 2025Supernova remnant (SNR) 0509-67.5. In this two-star system, gravity causes the larger and fluffier star to give up mass to…
- July 22, 2025No known cat could have created the vast Cat's Paw Nebula visible toward the constellation of the Scorpion (Scorpius). At…
- July 21, 2025The swirling spiral galaxy in this NASA/ESA Hubble Space Telescope Picture of the Week is NGC 3285B, which resides 137…
- July 20, 2025The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula(PN) located in the constellation Aquarius.…
- July 19, 2025The sixth object in Charles Messier's famous catalog of things which are not comets, Messier 6 is a galactic or…
- July 18, 2025The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a…
- July 17, 2025Discovered on July 1 with the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert, System) survey telescope in Rio Hurtado, Chile, 3I/ATLAS…
- July 16, 2025The bland New General Catalog designation of NGC 2237 doesn't appear to diminish the appearance of this flowery emission nebula,…
- July 15, 2025For this ESA/Hubble Picture of the Week, we gaze upon the field of stars that is NGC 1786. This object…
- July 14, 2025NGC 2685 is a confirmed polar ring galaxy - a rare type of galaxy with stars, gas and dust orbiting…
- July 13, 2025Planetary nebula Mz3 is being cast off by a star similar to our Sunthat is, surely, round. Why then would…
- July 12, 2025The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on, counterclockwise intermediate spiral galaxy located…
- July 11, 2025The Carina Nebula or Eta Carinae Nebula (catalogued as NGC 3372; also known as the Great Carina Nebula) is a…
- July 10, 2025Stars are forming in Lynds Dark Nebula (LDN) 1251. About 1,000 light-years away and drifting above the plane of our…
- July 9, 2025The beautiful Trifid Nebula is a cosmic study in contrasts. Also known as M20, it lies about 5,000 light-years away…
- July 8, 2025Pleiades (M45). Perhaps the most famous star cluster in the sky, its brightest stars can be seen even from the…
- July 7, 2025A massive, spacetime-warping cluster of galaxies is the setting of today’s NASA/ESA Hubble Space Telescope Picture of the Week. The…
- July 6, 2025Messier 83 or M83, also known as the Southern Pinwheel Galaxy and NGC 5236, is a barred spiral galaxy approximately…
- July 5, 2025Difficult to capture, this mysterious, squid-shaped interstellar cloud spans nearly three full moons in planet Earth's sky. Discovered in 2011…
- July 4, 2025Face-on spiral galaxy NGC 6946 and open star cluster NGC 6939 share this cosmic snapshot, composed with over 68 hours…
- July 3, 2025You can see a thermonuclear explosion from a white dwarf star. Possibly two. Such explosions are known as novas and…
- July 2, 2025The Pelican Nebula (also known as IC 5070) is an H II region associated with the North America Nebula in…
- June 29, 2025Rho Ophiuchi (ρ Ophiuchi) is a multiple star system in the constellation Ophiuchus. The central system has an apparent magnitude…
- June 28, 2025Big beautiful barred spiral galaxy Messier 109 is the 109th entry in Charles Messier's famous catalog of bright Nebulae and…
- June 27, 2025An interstellar expanse of glowing gas and obscuring dust presents a bird-like visage to astronomers from planet Earth, suggesting its…
- June 26, 2025This interstellar skyscape spans over 4 degrees across crowded starfields toward the constellation Sagittarius and the central Milky Way. A…
- June 25, 2025The Hubble Space Telescope, the European Southern Observatory, and smaller telescopes on planet Earth are combined in this detailed portrait…
- June 23, 2025The light that the NASA/ESA Hubble Space Telescope collected to create this Picture of the Week reached the telescope after…
- June 21, 2025Messier 106 (also known as NGC 4258) is an intermediate spiral galaxy in the constellation Canes Venatici. It was discovered…
- June 20, 2025New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For…