6 December 2019
White dwarfs are burnt out stars that can explode into supernovae, and this process might be kicked off by a black hole made of dark matter in the heart of the star
4 December 2019
A giant planet almost as big as Jupiter has been found orbiting a white dwarf, which is the remnants of an exploded star
20 November 2019
As sci-fi series The Expanse returns for a fourth season, on Amazon Prime, its authors (writing as James S.A. Corey) reveal how real physics and human frailty make for a rich world
13 November 2019
12 November 2019
We've seen the remains of a collision between two planets in a distant star system - and these planetary smash-ups are thought to be surprisingly common
30 October 2019
Jupiter is big enough to be a star, so could it ever become one? The answer lies in knowing how a star forms, as readers explain
28 October 2019
The best ever image of the asteroid Hygiea has revealed its shape for the first time and it looks as if it is round enough to be a tiny dwarf planet like Pluto
23 October 2019
Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah Crane
16 October 2019
Some of the sky's brightest stars including Rigel and Betelgeuse are located in the iconic constellation Orion. Here's how to find it and then star-hop to Sirius
7 October 2019
Brown dwarfs are too large to be planets and too small to be stars, but they have gaseous atmospheres that may have all the ingredients needed for life
