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.