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We report evidence for a brown-dwarf companion with mass 34+30−11 MJ in the KELT-20 system, in which an ultra-hot Jupiter transits an A2 …

We report the discovery of a sub-Neptune and a Neptune-like planet (Rb=2.48+0.14−0.10R⊕, Rc=4.03+0.23−0.15R⊕) orbiting …

Although many cases of stellar spin–orbit misalignment are known, it is usually unclear whether a single planet's orbit was tilted or if the entire protoplanetary disk …

We report an observation of the Rossiter–McLaughlin (RM) effect of the transiting planet HD 93963 Ac, a mini-Neptune planet orbiting a G0-type star with an …

We present the eccentricity distribution of warm sub-Saturns (4–8 \(R_{\rm{\oplus }}\), 8–200 d periods) as derived from an analysis of transit light curves from …

We report the discovery and characterization of TOI-2005 b, a warm Jupiter on an eccentric (e ∼ 0.59), 17.3 days orbit around a V …

We report the confirmation of TOI-6324 b, an Earth-sized (1.059 ± 0.041 R\(_{\oplus}\)) ultra-short-period (USP) planet orbiting a nearby (∼20 pc) M …

Asteroseismology of dwarf stars cooler than the Sun is very challenging due to the low amplitudes and rapid timescales of oscillations. Here, we present the asteroseismic detection of …

We report the discovery and validation of HD 21520 b, a transiting planet found with Transiting Exoplanet Survey Satellite and orbiting a bright G dwarf (V = 9.2 …

Measurements of the obliquities in exoplanet systems have revealed some remarkable architectures, some of which are very different from the Solar System. Nearly 200 obliquity measurements have been …

We present a dedicated transit and radial velocity survey of planets orbiting subgiant stars observed by the TESS Mission. Using \(\sim 16\) nights on Keck/HIRES, we confirm …

We determine the orbital eccentricities of individual small Kepler planets, through a combination of asteroseismology and transit light-curve analysis. We are able to constrain the eccentricities of …