Collections and calls for papers

A Topical Collection describing the interaction of Active Comets with the Solar Wind, including an in-depth analysis of the Comet 67P/Churyumov–Gerasimenko

It is well known that general relativity is very successfully applied to cosmology, compact objects, and gravitational waves. However, observational data has increasingly challenged it. How can we explain, f...

A Draconid meteor shower outburst was observed above Northern Europe on 8th October 2011. This topical collection describes the analysis of the event, which included spectroscopic observations, airborne obse...

In this Topical Collection, exploration techniques of the icy planetary bodies are described, including the use of extra-terrestrial acoustics, and analysis of crust heat flow and thermal state.