How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...

Scientists at CERN have observed a rare phenomenon where a single top quark formed alongside W and Z bosons for the first ...

Researchers at CERN may be on the verge of explaining the universe’s missing gamma rays and hidden magnetic fields.

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

For many, teaching math or science to a classroom full of teenagers might sound intimidating. For Emily Siemonsma, it’s a ...