First evidence of a magnetic field on Vega. Towards a new class of magnetic A-type stars

First Evidence of Coexisting EIT Wave and Coronal Moreton Wave from SDO/AIA Observations

First evidence of pulsations in Vega? Results of today's most extensive spectroscopic search

First firm spectral classification of an early-B pre-main-sequence star: B275 in M17

First Flare-related Rapid Change of Photospheric Magnetic Field Observed by Solar Dynamics Observatory

First HARPSpol discoveries of magnetic fields in massive stars

First hyperfine resolved far-infrared OH spectrum from a star-forming region

First Keck Nulling Observations of a Young Stellar Object: Probing the Circumstellar Environment of the Herbig Ae star MWC 325

First Kepler results on compact pulsators I. Survey target selection and the first pulsators

First Kepler results on compact pulsators II: KIC 010139564, a new pulsating subdwarf B (V361 Hya) star with an additional low-frequency mode

First Kepler results on compact pulsators III: Subdwarf B stars with V1093~Her and hybrid (DW~Lyn) type pulsations

First Kepler results on compact pulsators V: Slowly pulsating subdwarf B stars in short-period binaries

First Kepler results on compact pulsators VI. Targets in the final half of the survey phase

First Kepler results on compact pulsators VII. Pulsating subdwarf B stars detected in the second half of the survey phase

First Kepler results on compact pulsators VIII: Mode identifications via period spacings in $g-$mode pulsating Subdwarf B stars

First Kepler results on RR Lyrae stars

First L-band Interferometric Observations of a Young Stellar Object: Probing the Circumstellar Environment of MWC 419

First Magnetic Field Detection on a Class I Protostar

First magnetic field models for recently discovered magnetic beta Cephei and slowly pulsating B stars

First observations of a dome-shaped large-scale coronal EUV wave