We’ve discovered a planet orbiting an exploded star for the first time
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
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Premium
Found 674 results for dwarf planet
How The Expanse is still putting humans at the heart of sci-fi
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
A few solutions to the minimoon conundrum (2)
13 November 2019
Star systems full of planetary smash-ups are bad news for alien life
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
Could Jupiter ever ignite into a star?
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
Surprisingly round asteroid may actually be the smallest dwarf planet
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
The solar system has too many moons – it's time for a cull
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
How to use the Orion constellation to find Sirius the dog star
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
Microbial life might drift in the atmospheres of failed stars
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
We could find alien life on exoplanets by looking for its glow
20 August 2019
Most of the closest exoplanets we’ve found orbit stars that can release flares of dangerous UV light, but those very flares might force life to evolve to glow
