Disc scalelengths out to redshift 5.8

Discovering the missing 2.2<z<3 quasars by combining optical variability and optical/near-IR colors

Discovery and Cosmological Implications of SPT-CL J2106-5844, the Most Massive Known Cluster at z > 1

Discovery and Follow-up of a Nearby Galaxy from the Arecibo Zone of Avoidance Survey

Discovery of 5000 Active Galactic Nuclei behind the Magellanic Clouds

Discovery of a bright radio transient in M82: a new radio supernova?

Discovery of a compact gas-rich DLA galaxy at z = 2.2: evidences for a starburst-driven outflow

Discovery of a dense molecular cloud towards a young massive embedded star in 30 Doradus

Discovery of a Dissociative Galaxy Cluster Merger with Large Physical Separation

Discovery of a high-z protocluster with tunable filters: the case of 6C0140+326 at z=4.4

Discovery of a large-scale galaxy filament near a candidate intergalactic X-ray absorption system

Discovery of a massive X-ray luminous galaxy cluster at z=1.579

Discovery of a Multiply-Lensed Submillimeter Galaxy in Early HerMES Herschel/SPIRE Data

Discovery of a possibly old galaxy at $z=6.027$, multiply imaged by the massive cluster Abell 383

Discovery of a protocluster at z~6

Discovery of a Radio-Selected z ~ 6 Quasar

Discovery of a spiral-host episodic radio-galaxy

Discovery of A Variable Broad Absorption Line in the BL Lac object PKS 0138-097

Discovery of an AGN-Driven Molecular Outflow in the Local Early-Type Galaxy NGC 1266

Discovery of an Excess of Halpha Emitters around 4C 23.56 at z=2.48