Supernova
19 reportsWork involving Supernova is reported through event timescales, together with energy output and source populations. Claims involving energy output are weighed against instrument calibration and checked with population statistics; selection effects and uncertain source distances can alter inferred rates or energies.
ALMA reveals chaotic birth of massive binary stars in real time
Astronomers using ALMA have reconstructed the formation of a massive binary star system just 5,300 light-years away, finding evidence that the two stars joined forces only decades ago rather than forming together
High Energy Photon From Distant Gamma Ray Burst Challenges Physics Limits
A photon with record-breaking energy from the gamma ray burst GRB 221009A reached Earth despite theoretical barriers. New analysis suggests a possible explanation involving axion-like particles and Lorentz invariance violation
Hubble Reveals Giant Superbubble Structure in Large Magellanic Cloud
A new Hubble Space Telescope image captures the nebula N44 in the Large Magellanic Cloud, highlighting a vast superbubble at its center and offering fresh insight into the impact of massive stars on their galactic environment
Supernova Experiments Reveal New Clues to Element Formation in Stars
Two new studies use nuclear experiments and astrophysical modeling to clarify how supernovae forge and distribute elements like titanium and nickel, offering the most precise look yet at the processes that shape the chemical makeup of the universe
NASA's Roman Space Telescope Set for Launch to Map Distant Cosmos
NASA's Nancy Grace Roman Space Telescope is scheduled to launch from Florida, aiming to investigate exoplanets, dark matter, and distant galaxies with a wide-field infrared observatory. Its first science images are not expected until 2027
ALMA Reveals Persistent Hotspots on Betelgeuse's Turbulent Surface
Astronomers using the Atacama Large Millimeter/submillimeter Array have mapped Betelgeuse's surface in unprecedented detail, revealing long-lived hotspots and complex plasma flows that challenge current models of red supergiant stars
Deneb and Cygnus: Tracing Stellar Remnants and a Nearby Black Hole
Astronomers use optical and X-ray observations to study Deneb, the Cygnus Loop supernova remnant, and the black hole Cygnus X-1, revealing the complex structure of the Cygnus constellation and its hidden extremes
eROSITA X-ray Survey Nearly Doubles Known High-Energy Cosmic Sources
The eROSITA X-ray telescope's latest data release catalogs nearly 2 million X-ray sources, offering an unprecedented view of black holes, galaxy clusters, and stellar remnants across the universe
Hubble Data Links Andromeda's Star Formation Slowdown to Nearby Galaxy
Astronomers using the Hubble Space Telescope have mapped a sharp decline in star formation across the Andromeda galaxy, with evidence pointing to gravitational influence from its smaller neighbor, M32
Faint X-ray Flash Reveals Unusual Supernova in Nearby Galaxy
A brief X-ray signal detected by China's Einstein Probe in March 2026 has allowed astronomers to observe the earliest moments of a rare Type Ic supernova, offering new insight into how massive stars end their lives
Astronomers Link Two Supernova Remnants to a Single Binary Star System
A faint supernova remnant near the Jellyfish Nebula has been identified as the likely companion explosion from a binary star system, based on 16 years of gamma-ray data and multiwavelength observations
NASA Prepares Roman Space Telescope for 2026 Launch to L2 Orbit
NASA has fueled the Roman Space Telescope, a next-generation infrared observatory scheduled for launch in August 2026, aiming to collect hundreds of terabytes of cosmic data annually and expand studies of dark matter, dark energy, and exoplanets
Hubble Reveals High-Speed Gas Bullets from Rare Helium Nova in Milky Way
Astronomers using Hubble and other observatories have observed V445 Puppis, the Milky Way's only known helium nova, ejecting dense gas clumps at speeds up to 32 million kilometers per hour
Sun's Silver Shortfall Explained by Advanced Atomic Modeling
Researchers using high-fidelity atomic simulations have found that the sun contains significantly more silver than previous spectral measurements suggested, resolving a longstanding discrepancy between solar and meteorite compositions
Webb Telescope Links 'Little Red Dots' to Ancient Star Clusters
Astronomers using the James Webb Space Telescope have traced mysterious 'Little Red Dots' in the early universe to the possible origins of globular clusters, offering new clues about how these dense stellar systems formed
Webb Telescope Reveals How Early Galaxies Produced Cosmic Dust
Astronomers used the James Webb Space Telescope to study a nearby dwarf galaxy, uncovering how ancient galaxies enriched the early universe with stardust essential for star and galaxy formation
Possible Twin Supernova Remnants Identified in the Jellyfish Nebula
Astronomers analyzing data from NASA's Fermi Gamma-ray Space Telescope and other observatories have found evidence suggesting both stars in a binary system exploded as supernovae, leaving overlapping remnants in the IC 443 region
Webb data links early red dots to UV-bright companions and black hole seeds
A new analysis of James Webb Space Telescope images suggests that compact 'little red dots' in the early universe may form near ultraviolet-bright companions, offering a possible route to the rapid birth of supermassive black holes
NASA's IXPE Maps Magnetic Field of Unusual Pulsar in Milky Way
Astronomers have used NASA's Imaging X-ray Polarimetry Explorer to directly map the magnetic field around the pulsar PSR J1101-6101, revealing how high-energy particles stream through the Milky Way and testing long-standing theoretical predictions