Inside the sky at night

If there’s one thing I love, it’s a misnomer. Shooting stars, planetary nebulae, guinea pigs… none of them does what it says on the tin. Another great example is the term ‘physical constant’. These ar

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,

I looked out of the window before bed while on holiday in Orkney in mid-August and was delighted to see my first-ever noctilucent cloud display! The reflections in the still waters of the Bay of Firth

This October marks 50 years since a heavily shielded spacecraft, the Soviet Union’s Venera 9, parachuted into the atmosphere of Venus. Then, having landed, it did something extraordinary: it beamed ba

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

New Horizons was the first mission sent to explore Pluto, conducting a fly-by in July 2015. It was then redirected for a close pass of a much smaller Kuiper Belt object, Arrokoth, in January 2019. Tod