
Photo credit: NASA/Chris Gunn
Far beyond ordinary sight, a towering filament of dust and gas has taken on the unmistakable outline of a cat sitting with its back turned. Astronomers call the structure the Cat’s Head Nebula, a compact formation nestled inside the much larger Carina Nebula roughly 7,500 light-years from Earth. Intense ultraviolet radiation and winds from massive nearby stars have spent ages carving the surrounding material, leaving denser pockets to resist the erosion and form the long, irregular pillar that now resembles a feline body, head, and downward tail.

Photo credit: NASA/Chris Gunn
NASA’s James Webb Space Telescope turned its near-infrared camera toward a dusty patch of the constellation Cepheus and returned an image of NGC 7129 that lays out several stages of star formation across a single frame. Roughly 3,300 light-years from Earth, the region spans about 5.7 light-years and holds both young stars that have already begun to clear space around themselves and still-forming objects buried deeper in cold gas. Observations collected on December 17, 2025, and released on October 6, 2026, show how those objects push and heat the material that surrounds them.

Astronomers recently trained NASA’s Chandra X-ray Observatory on a strange radio formation that sits behind the dense band of stars, gas, and dust along the Milky Way’s plane. From our vantage the structure looks almost exactly like the musical symbol known as a treble clef, a resemblance that led researchers to call the whole scene the Treble Clef. Chandra and Germany’s eROSITA telescope both recorded the presence of gas heated to millions of degrees, the clear signature of a galaxy cluster, one of the largest objects in the universe. Further scrutiny of that gas showed the cluster is actually two separate clusters that ran into each other.

On March 4, 2024, a radio array in South Africa caught a flash that lasted only a few milliseconds and then vanished. MeerKAT, working with the MeerTRAP search system, logged it at 00:50 UTC and gave it the name FRB 20240304B. The pulse arrived stretched and delayed by free electrons along the path, with a dispersion measure near 2,458, a peak of about half a jansky, and a scattering time of 5.6 milliseconds at 1 gigahertz. Those numbers already hinted that the source sat far beyond nearly every localized burst on record.

Photo credit: International Gemini Observatory/NOIRLab/NSF/AURA/M. Rodriguez
Eight separate records from Chinese, Japanese, and Arabic observers place a new star in Cassiopeia between August 4-6, 1181. It stayed visible for 185 days, long enough for court astronomers to log it during the Genpei War in Japan and the reign of Henry II in England. One of only five Milky Way supernovae people recorded before telescopes existed, that guest star faded and left no obvious wreck for modern catalogs to claim.

Astronomers filed a strange spectrum of the white dwarf HS 0209+0832 in 1999 and left it there. Hubble had recorded roughly 100 chemical features that no catalog of the time could name. The star itself is the bare core of a low-mass sun that burned through its fuel, shed its outer layers, and settled into a compact remnant. At about 35,800 degrees, with a cooling age near five million years, it is still young as white dwarfs go, and still hot enough to strip gas from anything orbiting close in.

Golden elliptical galaxies fill the middle of the newest James Webb Picture of the Month, released this morning. They belong to the cluster MACS J0454.1-0300. Orange galaxies crowd one side of the frame and stretch into a broad arc around the brightest central members, while smaller reddish objects bend into short arcs even near the edges. A handful of bluish-white galaxies and a pair of sharp foreground stars sit in front of all of it.

Hubble’s new frame of NGC 4698 arrives from 55 million light years out in Virgo, a spiral tucked into the nearest big cluster of more than a thousand galaxies bound by gravity. Brown dust lanes cut through the outer disk and young blue stars light the same curves, yet those arms refuse to spiral into the middle. They hang in a ring around the perimeter and leave the bright core standing on its own, with reddish pockets of fresh star birth mixed among the dust.

Photo credit: NASA/Chris Gunn
NASA’s James Webb Space Telescope has released one of its largest public views yet, a near-infrared mosaic of IC 348, a star-forming region 1,000 light-years away in Perseus. Cold molecular hydrogen in that cloud is still collapsing into new stars, and Webb’s NIRCam turned the scene into a wide, crowded field of young suns, leftover dust, and objects so small they sit uncomfortably close to the planet side of the ledger.

Webb’s NIRCam and MIRI cameras filled a 2.5-by-1.8-arcminute frame with the inner parsec of the Milky Way, a packed star field 26,000 light-years away in Sagittarius. IRS 3 sits in that crowd, a cool, luminous asymptotic giant branch star only 0.55 light-years from Sagittarius A*, the four-million-solar-mass black hole at the center of the galaxy. NASA posted the composite on September 10, 2026, from data taken August 11. Mid-infrared light from the same field had already given astronomers something they had never measured cleanly for this object: oxygen-rich silicate dust and water molecules in the star’s own envelope.