For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the ...

The universe’s accelerating expansion has long puzzled physicists. For decades, dark energy, an unseen force thought to make ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

As the youthful universe congealed under the pull of gravity, matter knotted itself into galaxies, galaxy clusters and filaments, weaving a dazzlingly intricate cosmic web. This web’s structure is ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

Today in the history of astronomy, one of the brightest and most famous scientific minds of the modern era is born.

Thomas Kitching receives funding from the Royal Society, and the Science & Technology Facilities Council. Science is advancing rapidly. We are eradicating diseases, venturing further into space and ...

An expert shares his personal reminiscences of the evolution of the subject of cosmology over six decades. He tells of the increase in our confidence in the standard model of cosmology to the extent ...