The physical properties of cometary nuclei observed today relate to their complex history
and help to constrain their formation and evolution. In this article, we review some of the …

We provide the first solar system wide compendium of speleogenic processes and products.
An examination of 15 solar system bodies revealed that six cave‐forming processes occur …

On asteroids, fractures develop due to stresses driven by diurnal temperature variations at
spatial scales ranging from sub-millimetres to metres. However, the timescales of such rock …

Boulders form from a variety of geological processes, which their size, shape, and
orientation may help us better understand. Furthermore, they represent potential hazards to …

The mechanism of dust emission from a cometary nucleus is still an open question and
thermophysical models have problems reproducing outgassing and dust productions rates …

Comets can be regarded as active planetary bodies because they display evidence for
nearly all fundamental geological processes, which include impact cratering, tectonism, and …

We directly measured twenty overhanging cliffs on the surface of comet 67P/Churyumov–
Gerasimenko extracted from the latest shape model and estimated the minimum tensile …

The finding by the OSIRIS‐REx (Origins, Spectral Interpretation, Resource Identification, and
Security‐Regolith Explorer) mission that its target (101955) Bennu is an active asteroid has …

In recent years, several studies have shown the importance of thermal fracturing of rocks
due to temperature variations, on The Earth and Mars. Rock thermal cracking might also be …

Comets are made of volatile and refractory material and naturally experience various
degrees of sublimation as they orbit around the Sun. This gas release, accompanied by …