Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

In the vast universe, galaxies rotate in ways that don’t make sense if only visible matter is considered. For almost a ...

Isaac Newton changed the way we understand the Universe. Revered in his own lifetime, he discovered the laws of gravity and motion and invented calculus. He helped to shape our rational world view ...

Cosmology is the science of studying the Universe as a whole, its origin, its composition and its properties. We are particularly interested in investigating the cosmic microwave background, the relic ...

Our new study of the nearby starburst galaxy Haro 11 has shown that strong X-ray-emitting superwinds may be a key mechanism enabling galaxies to leak ionizing radiation, which is believed to have ...

Apr. 9, 2025 — Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their ...