James webb space telescope breakthroughs

From colliding galaxies to supermassive black holes, we take a look at some of the strangest sights in the universe

A look at some of the thousands of astronomical objects visible in Hubble’s historic photograph

Astronomers love a challenge. They place their observatories on the highest mountains, in the driest deserts, on the coldest ice shelves, beneath the deepest oceans, in orbit around Earth and the Sun,

TRAPPIST-1 is a red dwarf star located about ...

In the 17th century, the great maritime nations were vying to solve a puzzle that had confounded philosophers for many centuries: how to determine exact positions on the Earth’s surface. And in Britai

Our showcase of finalists from the ZWO Astronomy Photographer of the Year Awards 17