The interstellar medium (ISM) is typically divided into distinct regions, each defined by specific properties such as density, temperature, and composition. Among these, molecular clouds represents the densest phase.

The exoplanet K2-18 was discovered in 2015 and has since emerged as one of the most promising candidates in the search for habitable worlds.

In December 2019, researchers at the Zwicky Transient Facility (ZTF) identified the sudden brightening of the nucleus within galaxy SDSS J133519.91+072807.4 (hereafter Ansky).

Type Ia supernovae are a crucial class of astronomical events in the study of cosmology, due to their use as standard candles.