Stellar Brief: 19. 10. 2026
The cold brown dwarf WISE 0855 has weather that looks strikingly planet-like: James Webb observations reveal patchy water clouds and changing atmospheric gases, including carbon monoxide and phosphine.
Read today's Stellar Brief
Latest astronomy news
11. 9. 2024
Stars | ExoplaneMore than 40-hour day could mean that the planet has a very thick atmosphere or a ring system...
Advertisement
9. 9. 2024
Stars | ExoplaneThe results suggest that sulfur in this disk may have a different isotopic composition than in our solar system....
6. 9. 2024
Stars | ExoplaneIt is a hot planet, bigger than Neptune with one of the highest luminosities in extreme ultraviolet for planets of this size. TOI-3568 b is 50% heavier than Neptune and its radius is 40% bigger. With an orbit lasting 4.4 days, it sits just outside the Neptunian desert, where the star evaporates the atmospheres of planets smaller than Jupiter and where only a few planets of this size have been found....
4. 9. 2024
Stars | Exoplanets | TESSTOI-5688 is a binary star almost 750 light years away from the Sun. The newly discovered planet orbits the primary star every 2.9 days and has radius 10 times bigger than Earth which is similar to Saturn....
28. 8. 2024
Stars | ExoplaneThis is the most precise measurement yet of terrestrial exoplanet's thermal emission with JWST. Gliese 486 is a red dwarf only 26 light years from the Sun. The exoplanet Gliese 486 b orbits the star once every 36 hours. It is bigger, denser and hotter than Earth....
24. 8. 2024
Stars | ExoplaneThis could be caused by collisions between objects in the disk. While no definitive evidence of such collisions has been found yet, the study provides valuable insights into the dynamics of planetary systems and the processes that shape them....
22. 8. 2024
Stars | Exoplanets | Lava planeIf this is the case, the lava circulation has a minimal impact on the planet's temperature distribution....
16. 8. 2024
Stars | ExoplaneNew observations also suggest that the planet's atmosphere might be escaping into space....
8. 8. 2024
Stars | Brown dwarfIts mass suggests that it almost reaches the hydrogen-burning limit, which would make it a star....
8. 8. 2024
StarThese eruptions are much stronger than those seen on our Sun. The findings challenge the previous understanding that strong magnetic fields near the poles would prevent such eruptions....
Top article categories
Filtered articles by category.
Recently discovered exoplanets
| EK Chamaeleontis b | 10 / 2026 | 2702.2 M⊕ | 321.3 ly | |
| HD 715 b | 10 / 2026 | 201.9 M⊕ | 542.8 ly | |
| DENIS J1253-5709 b | 10 / 2026 | 244.8 M⊕ | 54.4 ly | |
| TOI-6417 b | 09 / 2026 | 349.7 M⊕ | 1903.9 ly | |
| TOI-6443 b | 09 / 2026 | 1605.4 M⊕ | 2051.6 ly | |
| TOI-7219 b | 09 / 2026 | 661 M⊕ | 1074.2 ly | |
| TOI-4079 B b | 09 / 2026 | 1646.8 M⊕ | 1185.6 ly | |
| HD 45652 b | 09 / 2026 | 1557.7 M⊕ | 113.9 ly | |
| LSPM J0804+1116 b | 09 / 2026 | 6.4 M⊕ | 82.6 ly | |
| HR 8799 f | 09 / 2026 | 524.5 M⊕ | 133.3 ly | |
| 61 Cygni A b | 09 / 2026 | 2543.3 M⊕ | 11.4 ly | |
| TOI-5646 b | 08 / 2026 | 45.9 M⊕ | 1352.3 ly | |
| TOI-4468 c | 08 / 2026 | 11.1 M⊕ | 1233.1 ly | |
| TOI-4468 b | 08 / 2026 | 170.1 M⊕ | 1233.1 ly | |
| TOI-4468 d | 08 / 2026 | 311 M⊕ | 1233.1 ly |
Newly discovered exoplanets
Latest scientific studies
Browse the latest scientific studies on stars and exoplanets in our galaxy. Stellar Catalog provides access to scientific data from astrophysics and stellar or planetary astronomy. It's a resource for anyone interested in the newest discoveries about what lies beyond our solar system.
More research
stars
exoplanets