Science ❯ Astronomy ❯ Cosmology

Supernovae

Type Ia Supernovae Stellar Evolution Gravitational Lensing Faint Thermonuclear Supernovae Stellar Explosions Stellar Companions Element Formation Neutron Star Formation Stellar Remnants Cassiopeia A

Rebuttal Confirms Cosmic Expansion Is Still Accelerating

A peer-reviewed MNRAS paper finds calibration errors in a 2025 Yonsei analysis, restoring confidence in supernova-based dark energy measurements.

Magnetar ‘Chirp’ Identified in Superluminous Supernova as Short GRB Localized to Tidal-Stream Dwarf

JWST Spots Record-Distant Supernova Tied to March Gamma-Ray Burst

Ribose and First Extraterrestrial Glucose Confirmed in Bennu, Along With Gum-Like Organic and Rare Stardust

New Study Claims the Universe Is Now Decelerating After Supernova Age-Bias Correction

Study Suggests the Universe’s Expansion Is Slowing, Challenging Standard Cosmology

eROSITA Map Reveals Interstellar Tunnel From Local Hot Bubble Toward Centaurus

Astronomers Confirm Rare Binary with Neutron Star Stripping Companion

Scientists Unveil First Molecular Cloud Detected via Far-Ultraviolet Light

Nearby Supernovae Linked to Two Ancient Mass Extinction Events

Water Found to Have Existed 100–200 Million Years After the Big Bang

Astronomers Document Rare 'Hiccupping' Star Before Supernova Explosion

Webb Telescope Unveils Supernova Triple Image, Challenges Universe Expansion Models