cosmology

For decades, astronomers assumed the universe’s expansion would decelerate under gravity’s inexorable tug. Yet, observations shattered that view, revealing dark energy as the culprit behind accelerating cosmic growth—a puzzle persisting …

Scientists at Cornell University are challenging long-held theories about the universe’s ultimate fate. For decades, the prevailing view was a universe expanding forever into a cold, empty expanse. However, a …

For decades, the nature of dark matter has eluded scientists, a pervasive yet invisible force shaping the cosmos. Now, compelling evidence from the heart of our own Milky Way galaxy …