Expected mass of Proxima c as a function of its orbital radius derived from the PMa analysis. The solid blue line shows the mass estimate obtained in this work from

Examples of terrestrial caves carved into different geological bedrocks by karst dissolution or silicates solution. A) Northern entrance of the Al Hoota Cave (limestone of the Al Hajar Mt., Sultanate

Swimming sperm whales. Credit Patrick Dykstra Say you want to listen in on a group of super-intelligent aliens whose language you don’t understand, and whose spaceship only flies by Earth

(a) Definition of the torsional angles 𝜃 = C1-C2-C3-C4 and 𝜙 = C2-C3-C4=O used to explore the conformational space of 4-oxobutanenitrile. (b) Relaxed 2D potential energy surface (PES) computed at

Graphical Abstract — astro-ph.GA Processes expected to play a role in interstellar ice are simulated in the laboratory. Energetic photons and ions lead to fragmentation or desorption of molecules from

O-C plot of TIC 198242678, a ∼ 4.63-day EB showing short-term variation. — astro-ph.EP Most circumbinary planets have been discovered by their transits, limiting our understanding of such systems to

The top left, top right, and bottom left panels show the high cloud fraction as a function of longitude and latitude for the PI, 1% PAL, and 0.1% PAL scenarios,