Observational advances over the last decade have enabled high-resolution, interferometric
studies of forming multiple systems, statistical surveys of multiplicity in star-forming regions …

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 compile observations of early-type binaries identified via spectroscopy, eclipses, long-
baseline interferometry, adaptive optics, common proper motion, etc. Each observational …

Context. Water is a key molecule in the physics and chemistry of star and planet formation,
but it is difficult to observe from Earth. The Herschel Space Observatory provided …

Context. Recent years have seen building evidence that planet formation starts early, in the
first~ 0.5 Myr. Studying the dust masses available in young disks enables us to understand …

The Close Binary Fraction of Solar-type Stars Is Strongly Anticorrelated with Metallicity -
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To date, about two dozen low-mass embedded protostars exhibit rich spectra with lines of
complex organic molecules (COMs). These protostars seem to possess a different …

Binary and multiple star systems are a frequent outcome of the star formation process, and
as a result almost half of all stars with masses similar to that of the Sun have at least one …

We review the role of stellar flybys and encounters in shaping planet-forming discs around
young stars, based on the published literature on this topic in the last 30 years. Since most …

We report spectro-polarimetric results of an observational campaign of the bright neutron
star low-mass X-ray binary Cyg X-2 simultaneously observed by IXPE, NICER, and …