Physics & mathematics

There are infinitely many prime numbers, but the biggest one we know of goes by the name M82589933 and contains more than 24 million digits.

The length of a second depends on how you're measuring it.

As new and powerful telescopes gather fresh data about the universe, they reveal the limits of older theories like Einstein's relativity.

Our universe seems to be perfectly suited for life. But anyone who claims that's evidence of a multiverse is falling prey to a logical fallacy.

In this extract from the new book Beautiful Experiments: An Illustrated History of Experimental Science, science writer Philip Ball explains how Isaac Newton transformed our understanding of light.

The first images from ESA's dark universe detective Euclid are out, featuring spectacular views of nebulas, distant galaxies and globular clusters of thousands of stars.

Here's a look at when the time changes for daylight saving time and who instituted daylight savings in the first place.

Scientists have created the world's first nanophotonic electron accelerator, which speeds negatively charged particles with mini laser pulses and is small enough to fit on a coin.

Researchers at the LIGO gravitational wave observatory used a new technique called frequency-dependent squeezing to boost weak signals above quantum noise.