Day: October 20, 2026

Diagram comparing the orbits of TRAPPIST-1's seven planets with the inner Solar System and Jupiter's moons

Family Resemblance: Why Multi-Planet Systems Come in Two Kinds

Grey, cratered and potato shaped moon Phobos seen up close by Mars Express

Phobos Bound: Japan’s MMX Mission Sets Out to Sample a Martian Moon

Orbital image of young cliff-like thrust fault scarps crossing the Moon's cratered surface

Shrinking Moon: 10,000 Young Faults Reveal How Fast It Is Contracting

CIE colour chart with the blackbody temperature curve running from red through white towards blue

The First Green Star: Why Some White Dwarf Colours Break the Rules

Euclid image of Comet C/2026 S1 (Euclid) showing a bright core inside a diffuse coma. Credit: ESA/Euclid/Euclid Consortium/NASA, M. Pöntinen et al. 2026

Euclid Comet: A Galaxy Survey Telescope Finds an Icy Visitor by Chance

Artist's impression of the hot Jupiter exoplanet WASP-17b. Credit: NASA, ESA, CSA, Ralf Crawford (STScI)

Lopsided Skies: Webb Maps a Hot Jupiter Atmosphere in Three Dimensions