Read article: Ancient rings surrounding the Sun could have divided the solar system
Clear distinction between rocky planet and gas giants explained by new study
Read article: OSIRIS-REx spacecraft spots particles ejected from asteroid and selects landing spot
Observations suggest that other asteroids could also be actively emitting particles
Read article: A decade of Physics World breakthroughs: 2014 – landing a spacecraft on a comet
Margaret Harris relives the nerve-wracking moment when the Philae lander touched down on the comet 67P/Churyumov–Gerasimenko, Physics World's Breakthrough of the Year in 2014
Read article: First solar system solids formed much more rapidly than previously thought
New measurements point to a formation period of days rather than thousands of years
Read article: Giant exoplanet orbiting tiny star defies current theory of planet formation
Cold, large protoplanetary discs could be more stable than previously thought
Read article: Water vapour is spotted on a distant rocky planet
K2-18b is in the habitable zone of a red-dwarf star
Read article: Moon of many faces
Sarah Tesh picks out some alternative views of the Moon
Read article: Aerogel insulation could provide habitable regions on Mars
New proposal is radically different to previous ideas to make the Red Planet habitable
Read article: What’s in a moon?
We all take the Moon for granted, but what would happen if our constant companion weren't there any more? Ethan Siegel considers the consequences
Read article: Toxic gases in habitable zone could hinder emergence of alien life
Region where complex life could emerge around distant stars could be much smaller than previously thought
