The expansion of the universe was discovered by separate theoretical and observational work in the 1920s. Since then, the expansion has become a core aspect of the astrophysical field of …

1 day ago · Is The Universes Endless Expansion In Doubt? Changing Dark Energy Sparks Fresh Cosmic Debate According to Professor Lee, if these results are confirmed, it could completely …

expanding universe, dynamic state of the extragalactic realm, the discovery of which transformed 20th-century cosmology.

18 hours ago · The universe has likely shifted from a period of acceleration to a phase of deceleration, new study by Korean researchers suggest.

Nov 10, 2025 · Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable force known as dark energy.

Nov 11, 2025 · We discovered that the universe is not static but expanding — stretching, evolving, and changing over time. This realization transformed cosmology from a philosophical idea into …

Dec 23, 2025 · Hubble observations, along with those of ground-based observatories, surprised astronomers by revealing that the universe is not just expanding but accelerating – a discovery …

Jan 19, 2025 · New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension. Using precise measurements of the Coma cluster, …

May 4, 2025 · To answer those questions, we need to trace the story of the expanding universe—from ancient stargazers to modern-day telescopes probing the edges of time itself.

Nov 14, 2025 · Cosmology - Expansion, Universe, Big Bang: When the universe is viewed in the large, a dramatic new feature, not present on small scales, emerges—namely, the …