The hot-Jupiter WASP-121b has metals such as iron and magnesium flee the host planet due to its weak gravity
How have Venus and Earth managed to keep their atmospheres?
Find out why only two of the inner planets have a shield from harmful space radiation
Exoplanets found to orbit iron-rich stars tightly
A new study has shown that alien worlds tend to have shorter orbital periods when swinging around their metal-rich stellar parents
Astronomers detect oxygen in “most distant galaxy” yet
Quantifying the gas is key to understanding how matter cycles in and out of galaxies
Exploding stars showered Earth with radioactive metal, say astronomers
Evidence of a series of massive supernova explosions near our Solar System, which showered our planet with radioactive debris, has been found
How many Earth-like planets can material from a supernova make?
We’re made of star stuff, so how many Earth-like planets can one stellar explosion make?
Five things you didn’t know about Moon dust
Read on for some amazing facts about the soil on our lunar companion