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24. 10. 2026
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A distant planet is shedding helium ahead of its transit, while another world hides a cloudy nightside beneath a clearer dayside. New observations also reveal stellar vibrations in infrared light, trace a massive star’s journey beyond its red-supergiant phase, and expose the magnetic activity of a young planetary system.
ALMA reveals hour-scale radio variability from accreting protoplanet PDS70c
icon6. 5. 2026
iconЗвезды | Экзопланеты | ALMA
Image: ALMA reveals hour-scale radio variability from accreting protoplanet PDS70c
PDS70c is a young, forming planet still accreting material from its surrounding disk. Using ALMA radio observations at 343 GHz, scientists studied how the planet's radio brightness changes over time. By carefully subtracting the average background signal and analyzing the data in short time intervals, they found that PDS70c's radio emission can vary significantly on hour-long timescales. In the 2017 data, the planet's radio brightness increased by over 200% during one observation, while other...
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TOI-4600 hosts two long-period giant planets with strong transit timing variations
icon6. 5. 2026
iconЗвезды | Экзопланеты | TESS
Image: TOI-4600 hosts two long-period giant planets with strong transit timing variations
TOI-4600 is an early K dwarf star with two rare, transiting giant planets on long orbits. TOI-4600b has an orbital period of about 83 days and a mass of nearly 75 Earth masses, while TOI-4600c orbits every 483 days and is about 213 Earth masses. Both planets show significant transit timing variations, with their transits shifting by about an hour, indicating strong gravitational interactions between them. Researchers combined new TESS data, gr...
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JWST detects rare oxygen and nitrogen isotopes in the cold atmosphere of COCONUTS-2b
icon6. 5. 2026
iconЗвезды | Экзопланеты | Космический телескоп имени Джеймса Уэбба | Атмосферы планет
Image: JWST detects rare oxygen and nitrogen isotopes in the cold atmosphere of COCONUTS-2b
COCONUTS-2b is one of the coldest known planetary-mass companions, orbiting far from its M dwarf host star. Using the JWST MIRI/MRS instrument, scientists obtained a detailed spectrum of its atmosphere at a temperature of about 480 K. For the first time, they detected rare isotopologues—molecules with different isotopes—of ammonia and water: ^{15}NH3, H2^{18}O, and H2^{17}O. This is the first clear evidence of oxygen isotopes in water in a cold p...
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JWST reveals LHS 3844 b has a dark, basalt-like surface with no volcanic gases
icon6. 5. 2026
iconЗвезды | Экзопланеты | Космический телескоп имени Джеймса Уэбба
Image: JWST reveals LHS 3844 b has a dark, basalt-like surface with no volcanic gases
LHS 3844 b is a rocky exoplanet whose surface was studied using mid-infrared spectroscopy from the James Webb Space Telescope. The planet's thermal emission spectrum between 5 and 12 microns matches that of a dark, low-silica surface, such as basalt or olivine-rich rock. The data rule out the presence of fresh powdery surfaces, but space weathering could darken such materials to match the observations. The spectrum shows no evidence for signif...
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Iron detected in the dayside atmosphere of ultra-hot Jupiter MASCARA-5 b confirms thermal inversion
icon6. 5. 2026
iconЗвезды | Экзопланеты | Атмосферы планет | Горячий юпитер
Image: Iron detected in the dayside atmosphere of ultra-hot Jupiter MASCARA-5 b confirms thermal inversion
MASCARA-5 b (also known as TOI-1431 b) is an ultra-hot Jupiter orbiting a bright Am star. Using the EXPRES spectrograph, scientists confirmed the presence of neutral iron (Fe I) in the planet's dayside atmosphere with high significance. The detection supports previous findings and indicates that the planet's atmosphere is thermally inverted, with temperatures rising from about 2000 K at lower altitudes to around 4500 K higher up. No evidence w...
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Optical helium lines reveal accretion geometry on super Jupiter Delorme 1 (AB)b
icon6. 5. 2026
iconЗвезды | Экзопланеты
Image: Optical helium lines reveal accretion geometry on super Jupiter Delorme 1 (AB)b
Delorme 1 (AB)b is a young, massive planet—about 13 times the mass of Jupiter—orbiting a binary star at a wide distance. Using high-resolution optical spectroscopy, scientists detected seven helium emission lines from the planet, which show significant variability and asymmetric profiles. The lines have both narrow and broad components, with the broad part redshifted by about 15 km/s, indicating complex gas motions. The analysis suggests that ...
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Atmospheric chemistry and isotope ratios in β Pictoris group reveal star-like formation for planetary-mass companion
icon6. 5. 2026
iconЗвезды | Экзопланеты
Image: Atmospheric chemistry and isotope ratios in β Pictoris group reveal star-like formation for planetary-mass companion
The β Pictoris young moving group contains a variety of substellar objects, including gas giants and brown dwarfs. Scientists studied the atmospheric chemistry and isotope ratios of three members: the planetary-mass companion 2MASS J0249-0557 c and two benchmark brown dwarfs. Using high-resolution spectroscopy, they measured the carbon-to-oxygen ratio, metallicity, and the ratio of carbon isotopes in their atmospheres. 2MASS J0249-0557 c, with...
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Optical spectrum of Gliese 436 b appears featureless, with no strong atomic or molecular signals detected
icon6. 5. 2026
iconЗвезды | Экзопланеты
Image: Optical spectrum of Gliese 436 b appears featureless, with no strong atomic or molecular signals detected
GJ 436 b is a warm Neptune-sized planet orbiting a red dwarf star. Scientists used the ESPRESSO spectrograph to observe two transits of the planet, aiming to detect atomic and molecular species in its upper atmosphere. The observations covered a wide range of optical wavelengths and searched for signals from hydrogen, sodium, magnesium, iron, and other elements, as well as molecules like titanium oxide and vanadium oxide. The analysis found no...
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JWST phase curve reveals strong atmospheric drag and nightside clouds on ultra-hot Jupiter WASP-121 b
icon6. 5. 2026
iconЗвезды | Экзопланеты
Image: JWST phase curve reveals strong atmospheric drag and nightside clouds on ultra-hot Jupiter WASP-121 b
WASP-121 b is an ultra-hot Jupiter with extreme atmospheric conditions, including high temperatures, strong winds, and dramatic differences between its day and night sides. Using the James Webb Space Telescope, scientists measured how the planet's infrared emission changes as it orbits its star, creating a spectroscopic phase curve. Comparing these observations to advanced 3-D atmospheric models, they found that the models predict about 12% more ...
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JWST reveals volatile-rich atmosphere on mini-Neptune TOI-1130b, hinting at formation beyond the ice line
icon6. 5. 2026
iconЗвезды | Экзопланеты
Image: JWST reveals volatile-rich atmosphere on mini-Neptune TOI-1130b, hinting at formation beyond the ice line
TOI-1130b is a mini-Neptune planet in a rare system with an outer hot Jupiter, both orbiting in a 2:1 resonance. Using the James Webb Space Telescope, scientists measured the planet's transmission spectrum and detected water vapor, carbon dioxide, and sulfur dioxide in its atmosphere, with a possible hint of methane. The atmosphere has a high mean molecular weight and is rich in heavy elements, suggesting it contains many volatiles. The result...
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Недавно обнаруженные экзопланеты

 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
L 115-21 b 10 / 2026 0.4 M⊕ 41.9 ly
TIC 219893931 b 09 / 2026 8.9 M⊕ 1319.5 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
Newly discovered exoplanets
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Latest scientific studies

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 HD 74371
5445 ly
 study icon Photometric variability of blue supergiants: Constraints on stellar masses and evolutionary stages
today

WASP 121
858 ly
 study icon Detection of Solar-like Oscillations and Granulation at Infrared Wavelengths using JWST
yesterday

WASP-43
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 study icon The coupled impacts of atmospheric dynamics and cloud microphysics on hot Jupiter atmospheres. I. An application to WASP-43b
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TOI 3884
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 study icon A Headwind-like Helium Outflow from TOI-3884b
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V1298 Tauri
352 ly
 study icon Radio and high-energy variable emission from a multi-wavelength follow-up of the infant planet-hosting star V1298 Tau
22. 10. 2026

TYC 5709-354-1
437 ly
 study icon Predictions for an unseen third planet in the WISPIT 2 system
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TIC 220432308
1129 ly
 +1 study icon Two Validated Planets and 179 Candidates From a TESS Faint Star Transit Search in the ULTRASAT Fields
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TOI 431
106 ly
 +4 study icon Thermal Evolution of Lava Planets Across System Ages: Predictions for Hell of a Survey
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L 115-21
41.9 ly
 study icon A sub-Earth-sized TESS planet candidate in the nearby M-dwarf binary GJ 774, most likely orbiting GJ 774 A (TIC 351339274)
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TOI-3686
841 ly
 study icon TOI-3686: A Hot Jupiter and Sub-Neptune In A 2:1 Mean-Motion Resonance
21. 10. 2026
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