Science ❯ Astronomy ❯ Cosmology

Universe Expansion

Hubble Constant Hubble Tension Dark Energy Dark Matter Big Crunch Deceleration Cosmological Models Baryon Acoustic Oscillations Big Bang Theoretical Physics Baryon Acoustic Oscillation Multiple Universes Lambda CDM Model Changing Speeds Fast Radio Bursts Galactic Formation Supernova Contributions Type Ia Supernovae and Distance Measurement Element Distribution Energy Dark Matter Energy Dark Deceleration of Expansion Supernovae Dark Energy Research Dark Energy Theories Cosmic Structures Measurement Techniques Gravitational Lensing Research Findings Void Fraction Distance Measurements

LIGO–Virgo–KAGRA Unveil Catalog That More Than Doubles Gravitational-Wave Detections

The enlarged data set lets researchers tighten tests of general relativity by probing black-hole populations.

Gravitational-Lens Time Delays Deliver New Hubble Constant, Deepening the Tension

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

New Peer-Reviewed Model Says Changing Constants Could Explain Dark Matter and Dark Energy

New BAO Analysis Strengthens Local Void Solution to Hubble Tension

Astronomers Capture First Visual Proof of Double-Detonation in Type Ia Supernova Remnant