Universe Explorer
To see the world with new eyes — Live data from space, curated links and cosmic discoveries. Since 2001.
NASA Picture of the Day
APOD
M83: The Southern Pinwheel
2026-09-11
Beautiful and bright spiral galaxy M83 lies some twelve million light-years away, near the southeastern tip of the very long constellation Hydra. Prominent spiral arms traced by dark dust lanes and bl…
© Aldo Zanetti
Space News
NASA
ESA
ESO
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- Universe Today NASA's Next Great Observatory Could Spot Oceans on Distant Worlds 2026-09-11 10:49
- NASA APOD: 2026 September 11 – M83: The Southern Pinwheel 2026-09-11 04:05
- Universe Today eROSITA's Second Data Release Catalog Delivering the Most Comprehensive High-Energy Census of the Cosmos to Date 2026-09-10 23:38
- NASA NASA Invites Media to Djibouti Artemis Accords Signing Ceremony 2026-09-10 21:11
- Universe Today Unexplained Gamma-Rays from the Galactic Center Could be from Self-Annihilating Dark Matter 2026-09-10 19:56
- NASA NASA, NFL Team Up to Showcase Space, Aeronautics Innovation 2026-09-10 17:28
- Universe Today A New Surface Atlas of Phobos Will Help JAXA's MMX Mission Collect its Samples 2026-09-10 17:27
- NASA Dust and Water in Sagittarius A* 2026-09-10 16:15
- NASA Dust and Water in Sagittarius A* 2026-09-10 16:14
- Universe Today JWST Ruled Out Finding Tiny Moons Around An Exoplanet - That's Great News 2026-09-10 14:42
Rocket Launches
LL2-
LaunchedFalcon 9 Block 5 | USSF-153Success
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LaunchedElectron | Happily Ever Faster (BlackSky Gen-3 5)Success
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2d 6hFalcon 9 Block 5 | O3b mPower 11-13Go
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3d 12hVega-C | Sentinel-3C & FLEXGo
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3d 17hZhuque-2E Block 2 | Unknown PayloadGo
Space Weather
NOAA
AIA 193 A (Corona) (SDO)
Earth (EPIC/DSCOVR) — 2026-09-08
Moon Phase
☾🌘
Waning Crescent
0% illuminated
Next Full Moon
26. Sep (15d)
Next New Moon
11. Oct (30d)
Meteor Showers
IMO-
Draconids 26dPeak: 8. Oct 2026 ZHR: ~10 20 km/s21P/Giacobini-Zinner
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Orionids 39dPeak: 21. Oct 2026 ZHR: ~20 66 km/s1P/Halley
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Leonids 66dPeak: 17. Nov 2026 ZHR: ~15 71 km/s55P/Tempel-Tuttle
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Geminids 93dPeak: 14. Dec 2026 ZHR: ~150 35 km/s3200 Phaethon
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Ursids 101dPeak: 22. Dec 2026 ZHR: ~10 33 km/s8P/Tuttle
Near-Earth Asteroids
CNEOSNext 14 days, < 0.1 AU
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2026 RG22026-Sep-13 10:3 2.1 LD 811.744 km 5.4 km/s
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2026 RA42026-Sep-16 05:3 3.3 LD 1.265.219 km 11.8 km/s
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2026 RG42026-Sep-11 07:2 3.4 LD 1.288.022 km 3 km/s
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2026 RJ2026-Sep-11 11:0 4.4 LD 1.679.234 km 6.9 km/s
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2026 RD12026-Sep-11 14:3 5.5 LD 2.112.852 km 6.9 km/s
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2026 RF22026-Sep-13 18:4 9.1 LD 3.511.785 km 10.3 km/s
LD = Lunar Distances (384.400 km)
New Papers
arXiv- On modelling the 2017 galactic cosmic ray depression
- Dark Matter-Baryon Separability Predicts the Dynamics of an Almost-Dark Galaxy
- Small-Body Science with the Nautilus Space Observatory: From Cislunar Space Resilience to Mapping the Kuiper-Belt-to-Oort-Cloud Transition
- More than half of recent astronomy papers are written with language-model assistance
- Aletheia: Emulating the halo mass function with evolution mapping
- The relevance of the cosmic microwave background for cosmology
Astronomer's Telegrams
ATel- #18035 Fermi-LAT detection of enhanced gamma-ray activity form the FSRQ PKS 0140-322
- #18034 NuSTAR follow-up of 4U 1630-47 in the hard intermediate state
- #18033 Follow-up Imaging & Spectroscopy of Nova Sagittae 2026 (V488 Sge)
- #18032 Fermi-LAT detection of gamma-ray activity from the Seyfert 1 galaxy source PKS 0521-36
- #18031 MAXI/GSC observation of an X-ray outburst from the Be/X-ray binary pulsar GS 0834-430
- #18030 SVOM/ECLAIRs detection of a possible new outburst onset from the black hole 4U 1630-472
Current Comets
Heavens-Above| Comet | Mag | Constellation | Alt |
|---|---|---|---|
| 10P Tempel 2 | 8.8 | Piscis Austrinus | -62.2° |
| 169P NEAT | 11.0 | Leo | 35.4° |
| 220P McNaught | 11.5 | Taurus | -20.4° |
| 161P Hartley-IRAS | 12.7 | Cetus | -51.1° |
| 78P Gehrels | 13.6 | Gemini | 16.2° |
| C/2024 J3 ATLAS | 13.9 | Lyra | 32.9° |
| 260P McNaught | 14.2 | Auriga | 15.6° |
| C/2024 T5 ATLAS | 14.2 | Lepus | -19.5° |
Live Services
Latest Publications (peer-reviewed)
- ApJ H I Depletion Begins Well Beyond the Virial Radius: A FAST Stacking Study of 36 Galaxy Clusters to 5 × R 200 Cheng Cheng, Chuan-Peng Zhang, Edo Ibar, Rory Smith, Weiwei
- ApJ Properties of Linear Magnetic Holes at Jupiter Based on Juno Observations C. Q. Wang, Z. Wang, Z. X. Wen, Z. Z. Guo, W. D. Fu and W. Z
- ApJ Do Accretion Disks Get Bent Out of Shape? Investigating the Origin of Rapid Fluctuations in the Tails of Long Thermonuclear X-Ray Bursts D. R. Ballantyne and N. Degenaar
- ApJ Measuring the Shape of Kerr Black Holes at the Photon Orbit Kiana Salehi and Avery E. Broderick
- ApJ Recombination Rates for 5f N Uranium Ions Using the Analogous 4f 4 Nd III as a Guideline and Their Effect on Kilonova Nebular Spectra Niamh Ferguson, Anders Jerkstrand, Smaranika Banerjee, M. G.
- ApJ Identification of a Large-scale Diffuse Gamma-Ray Structure in the Southern Galactic Hemisphere Zhen Xie, Xiaoyuan Huang, Bing Liu and Ruizhi Yang
- ApJ Potential Periodic Signals in Blazars: Significance, Forecasting, and Deep Learning M. A. Hashad, A. Hammad and Amr A. EL-Zant
- ApJ Statistical Analysis of Coronal Hole Spatiotemporal Evolution, Kinematics, and Lifetimes over 1.5 Solar Cycles Junyan Liu, Chenglong Shen, Yutian Chi, Dongwei Mao, Yue Zha
- ApJL A Homogeneous Survey of JWST-MIRI Transmission Spectra of 10 Exoplanets Martin Binet, Nikku Madhusudhan, Måns Holmberg and Subhajit
- ApJL Sequential Magnetic Reconnections in a Fishbone-like Structure Leading to Recurrent Brightenings Bo Yang, Jiayan Yang, Junchao Hong and Yi Bi
- ApJL Origin of Small-scale Evaporation Flows Deep in the Chromosphere During a Solar Flare L. P. Chitta, H. N. Smitha, Francisco A. Iglesias, Tino L. R
- ApJL No Luminous Little Red Dots: A Sharp Cutoff in Their Luminosity Function Yilun Ma, 逸伦 马, Jenny E. Greene, Marta Volonteri, Andy D. Go
Data from: NASA (APOD, News, CNEOS, SDO), ESA, ESO, NOAA SWPC, Launch Library 2, Universe Today, arXiv.org, ApJ, ApJL, AJ, A&A, MNRAS, Nature Astronomy, SILSO, ATel, COBS, IMO. Updated every 20 minutes.