Using two possible models of black hole spin and accretion, researchers have forecast very-long-baseline interferometry observations at six frequencies.

New calculations of the statistical variance, skewness, and kurtosis of the random gravitational wave background signal will aid in understanding the signal observed by pulsar timing arrays.

Only one exoplanet transit has been detected at X-ray wavelengths, but future facilities might increase that number slightly; X-ray detections would illuminate conditions in the upper atmospheres of exoplanets.

A new study details the similarities and differences between the spectra of ultra-hot Jupiters, which orbit extremely closely to the host stars, and brown dwarfs scorched by the high-energy radiation of a white dwarf.

Using new machine learning methods to combat the high false-positive rate encountered when searching for objects in crowded stellar fields, researchers have discovered 239 trans-Neptunian objects.

Astronomers have cataloged and characterized 583 X-ray winds from active galactic nuclei: the powerful accreting supermassive black holes at the centers of galaxies.