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
PanSTARRS and Planets
2026-04-18
Near the eastern horizon before sunrise, Comet C/2025 R3 PanSTARRS is getting brighter. Readily visible in binoculars and small telescopes, the comet may be just on the verge of naked-eye visibility f…
© Luc Perrot
Space News
NASA
ESA
ESO
UT
- Universe Today "Immature" Lunar Soil Could Be Suitable for Roadways on the Moon 2026-04-18 22:44
- Universe Today What Happens When Light Goes Boom? Part 3: Brad Bradington Sprints 2026-04-18 02:06
- Universe Today How a Black Hole and a Shredded Star Could Light Up a Galaxy 2026-04-17 21:03
- Universe Today Small Trojan Asteroids Defy Expectations 2026-04-17 18:47
- NASA NASA Artemis II Human Research Data Methodology Challenge 2026-04-17 18:41
- Universe Today Life Beyond Biosignatures: A New Method In The Search For Life 2026-04-17 17:37
- Universe Today Comet R3 PanSTARRS at Perihelion 2026-04-17 15:10
- NASA NASA's SPHEREx Observatory Maps Interstellar Ice in Milky Way 2026-04-17 14:20
- NASA NASA’s SPHEREx Observatory Maps Interstellar Ice in Milky Way 2026-04-17 14:14
- Universe Today To Survive Deep Space, Astronauts May Owe a Debt to Microscopic Worms 2026-04-17 11:57
Rocket Launches
LL2-
7h 54minNew Glenn | BlueBird Block 2 #2Go
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11h 44minFalcon 9 Block 5 | Starlink Group 17-22Go
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1d 4hFalcon 9 Block 5 | GPS III SV10Go
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2d 21hHASTE | BubblesGo
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3d 23hFalcon 9 Block 5 | Starlink Group 17-14Go
Space Weather
NOAA
AIA 193 A (Corona) (SDO)
Earth (EPIC/DSCOVR) — 2026-04-16
Moon Phase
☾🌑
Waxing Crescent
6.7% illuminated
Next Full Moon
1. May (12d)
Next New Moon
16. May (27d)
Meteor Showers
IMO-
Lyrids NOWPeak: 22. Apr 2026 ZHR: ~18 49 km/sC/1861 G1 (Thatcher)
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Eta Aquariids 17dPeak: 6. May 2026 ZHR: ~50 66 km/s1P/Halley
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Delta Aquariids 102dPeak: 30. Jul 2026 ZHR: ~25 41 km/s96P/Machholz
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Perseids 115dPeak: 12. Aug 2026 ZHR: ~100 59 km/s109P/Swift-Tuttle
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Draconids 172dPeak: 8. Oct 2026 ZHR: ~10 20 km/s21P/Giacobini-Zinner
Near-Earth Asteroids
CNEOSNext 14 days, < 0.1 AU
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2026 HJ2026-Apr-19 19:1 0.3 LD 113.523 km 6.5 km/s
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2026 HN2026-Apr-19 12:2 1.6 LD 619.049 km 11.4 km/s
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2026 GL22026-Apr-22 08:5 7.1 LD 2.721.303 km 10.4 km/s
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2026 GJ12026-Apr-21 07:5 8.7 LD 3.338.588 km 22.2 km/s
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2022 UU82026-Apr-25 06:3 8.7 LD 3.343.118 km 4 km/s
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2026 HW2026-Apr-28 07:2 9.5 LD 3.659.438 km 11.8 km/s
LD = Lunar Distances (384.400 km)
New Papers
arXivLoading data...
Astronomer's Telegrams
ATel- #17745 Radio Flaring of the FSRQ B2 1420+32
- #17744 The detection of OH 18 cm lines in C/2025 R3 with FAST
- #17743 PRIME discovery and IRTF confirmation of a bright nova PRIME26aaabsh at the Galactic center
- #17742 New giant radio flare of microquasar Cyg X-3
- #17741 XRISM/Xtend Transient Search (XTS) detected an X-ray flare from ATO J079.1066-00.5215
- #17740 Fermi-LAT detection of enhanced gamma-ray activity from the FSRQ PKS 1958-179.
Current Comets
Heavens-Above| Comet | Mag | Constellation | Alt |
|---|---|---|---|
| C/2025 R3 PANSTARRS | 4.8 | Pisces | 2.4° |
| 88P Howell | 10.0 | Aquarius | -7.7° |
| 29P Schwassmann-Wachmann 1 | 11.9 | Leo | -1.6° |
| C/2024 E1 Wierzchos | 12.1 | Taurus | -19.6° |
| C/2023 R1 PANSTARRS | 13.3 | Aquila | 28.4° |
| C/2024 J3 ATLAS | 14.2 | Delphinus | 37.6° |
| C/2014 UN271 Bernardinelli-Bernstein | 14.5 | Dorado | -71.5° |
| C/2025 A6 Lemmon | 14.5 | Centaurus | -37.1° |
Live Services
Latest Publications (peer-reviewed)
- ApJ Supermassive Black Hole Imaging with a Self-consistent Electron-temperature Prescription Alejandro Cruz-Osorio, Claudio Meringolo, Christian M. Fromm
- ApJ Stratification of the Active Galactic Nucleus–Driven Multiphase Outflows in the Dwarf Seyfert Galaxy NGC 4395 Payel Nandi, Luis Colina, Rogemar A. Riffel, Miguel Pereira
- ApJ Binary Disruption during the Early Phase of Open Clusters* Zepeng Zheng, Long Wang and Holger Baumgardt
- ApJ Signatures of Black Hole Spin and Plasma Acceleration in Jet Polarimetry. II. Off-axis Jets Z. Gelles, A. Chael and E. Quataert
- ApJ Mapping the Milky Way with Gaia Bp/Rp Spectra. IV. The Broken and Asymmetric Density Profile of the Stellar Disk Traced by a Large Sample of Red Clumps Wenbo Wu, Yuqin Chen, Jianhui Lian, Martín López-Corredoira,
- ApJ ODIN: Searching for LyC Emission from Lyα Emitters at z = 4.5 in the E-COSMOS and XMM-LSS Fields Eunsuk Seo, Hyunmi Song, Lucia Guaita, Kyoung-Soo Lee, Eric
- ApJ Dichotomy in Long-lived Radio Emission from Tidal Disruption Events AT 2020zso and AT 2021sdu: Multicomponent Outflows versus Host Contamination Collin T. Christy, Kate D. Alexander, Tanmoy Laskar, Noah Fr
- ApJ Correlations between Kilohertz Quasiperiodic Oscillations and Spectral Parameters from Time-resolved Spectrotemporal Analysis of 4U 1728-34 Kewal Anand, Ranjeev Misra, J. S. Yadav and Pankaj Jain
- ApJL The Steep Redshift Evolution of the Hierarchical Binary Black Hole Merger Rate May Cause the z-χ eff Correlation Amanda M. Farah, Aditya Vijaykumar and Maya Fishbach
- ApJL A Unified Dark-matter-driven Relativistic Bondi Route to Black Hole Growth from Stellar to Supermassive Scales Chian-Shu Chen and Feng-Li Lin
- ApJL Preferential Appearance of Hα Moreton Waves along Photospheric Magnetic Network Boundaries C. H. Zhai, Y. W. Ni, J. H. Guo and P. F. Chen
- ApJL BE Lyncis: A Pulsating Star in the Most Eccentric Binary with a Massive Unseen Companion Jia-Shu Niu, 家树 牛, Ying Zhang, 颖 张, Hui-Fang Xue and 会芳 薛
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.