
The hunt for habitable ocean worlds beyond our solar system
24 October 2022
Astronomers think that planets covered in water, with oceans hundreds of metres deep, could be relatively common in our galaxy. Now the race is on to find one

24 October 2022
Astronomers think that planets covered in water, with oceans hundreds of metres deep, could be relatively common in our galaxy. Now the race is on to find one

1 October 2022
The outer solar system holds some chunks of ice and rock that orbit so far from the sun it’s hard to imagine how they got there – but an ancient rogue planet may hold the key

26 September 2022
Planets orbiting M-class red dwarf stars have been suggested as some of the most promising places to look for alien life, but now it seems powerful outbursts from the stars could render them uninhabitable

21 September 2022
Experiments on Earth mimicking the rays from a red dwarf star show that cyanobacteria, algae and moss can grow under these light conditions, backing the idea that some exoplanets could host life

13 September 2022
A brown dwarf – partway between a planet and a star – has been spotted engulfed in a cloud of gas, which it probably produced after a huge pulse of heat blasted through it

12 September 2022
Diamonds found in four meteorites in north-west Africa probably came from an ancient dwarf planet, and they are expected to be harder than Earth diamonds

7 September 2022
A pair of rocky planets orbiting the star LP 890-9, also known as SPECULOOS 2, seem likely to be in the habitable zone and one of them could be the second most habitable exoplanet discovered so far

24 August 2022
set by Katie Steckles

12 August 2022
Simulations suggest that Earth could theoretically host two more moons the size of the one we've got now, or several smaller moons

13 July 2022
Track down a telescope and pray for dark skies, as a chance to see Pluto is coming up, says Abigail Beall