Since Protostars and Planets VI (PPVI), our knowledge of the global properties of
protoplanetary and debris disks, as well as of young stars, has dramatically improved. At the …

Star and planet formation are the complex outcomes of gravitational collapse and angular
momentum transport mediated by protostellar and protoplanetary disks. In this review, we …

We review current understanding of star formation, outlining an overall theoretical framework
and the observations that motivate it. A conception of star formation has emerged in which …

Protoplanetary disks are quasi-steady structures whose evolution and dispersal determine
the environment for planet formation. I review the theory of protoplanetary disk evolution and …

Episodic accretion has become a recent focus of attention in the star-and planet-formation
community, turning into a central topic to understand the evolution of protostars and …

We use multiscale smoothed particle hydrodynamic simulations to study the inflow of gas
from galactic scales (∼ 10 kpc) down to≲ 0.1 pc, at which point the gas begins to resemble …

We explain the axisymmetric gaps seen in recent long-baseline observations of the HL Tau
protoplanetary disc with the Atacama Large Millimetre/Submillimetre Array (ALMA) as being …

Context. Understanding the diversity of planets requires studying the morphology and
physical conditions in the protoplanetary disks in which they form. Aims. We aim to study the …

We present Phantom, a fast, parallel, modular, and low-memory smoothed particle
hydrodynamics and magnetohydrodynamics code developed over the last decade for …

Since the discovery of the multiring structure of the HL Tau disk, ALMA data suggest that the
dust continuum emission of many, if not all, protoplanetary disks consists of rings and gaps …