Dust clouds reflect starlight around the star R Doradus. As it nears the end of its life, the star is shedding its outer layers, forming clouds of gas and dust

This illustration shows a red dwarf star orbited by a hypothetical exoplanet. — NASA source As of late 2025 there are about 70 exoplanets that meet the formal criterion of

ID: ESP_040566_0935 date: 23 March 2015 altitude: 245 km larger image NASA/JPL-Caltech/University of Arizona The South Polar residual cap (the part that lasts through the summer) is composed of carbon

The Kepler exoplanet candidate population around FGK stars used in the analysis of S. Bryson et al. (2021), shown in period and radius, both colored and sized by catalog reliability

A)–(D). Spectrally integrated flux maps for HCN, CO, CH3OH, and CS in K2. Contour intervals in each map are given in multiples of the rms noise. The rms noise (σ,

Optical image of comet C/2025 A6 obtained on 21st October 2025 (18:35–18:50, UTC+8) with the 70-cm UCASST telescope. The image combines 5-min exposures in each of the R, V, and

Comparison of Arctic Ocean FSLE snapshots from the two simulations during March. Brighter regions (high FSLE) indicate more vigorous horizontal stirring. Left panel: present-day conditions; right panel: future conditions representing