Discover the latest from NASA Earth Science   April 21, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive A School of Mud Volcano Islands in Azerbaijan The tadpole-shaped islands along the Absheron Peninsula were born by explosive mud volcano eruptions and reshaped by erosion. Thailand’s Krabi Coast The coastal province features striking tropical karst landscapes and sandy beaches alongside a mix of natural ...Continue Reading

NASA News   MEDIA ADVISORY M26-031 APRIL 21, 2026 MISSIONS NASA to Cover Progress 95 Spacecraft Launch, Docking The Progress 94 cargo spacecraft, loaded with nearly three tons of food, fuel, and supplies, nears the International Space Station ahead of its docking on March 24, 2026. Credit: NASA NASA will provide live coverage of the launch and docking of a Roscosmos cargo spacecraft carrying about three tons of food, fuel, and supplies ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3681 Issue Time: 2026 Apr 21 1341 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3680 Begin Time: 2026 Apr 19 1920 UTC Yesterday Maximum 2MeV Flux: 1344 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Apr 21 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 111 Issued at 0030Z on 21 Apr 2026 Report compiled from data received at SWO on 20 Apr I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4415 S18W85 015 0060 Hsx 02 01 Alpha 4419 N14W24 313 0260 Eho ...Continue Reading

NASA News   NEWS RELEASE 26-035 APRIL 20, 2026 MISSIONS NASA Rolls Out Artemis III Moon Rocket Core Stage NASA moved the core stage, or the largest section, of the SLS (Space Launch System) rocket that will launch the crewed Artemis III mission in 2027 from the agency’s Michoud Assembly Facility to the agency’s Pegasus barge in New Orleans on April 20. Credit: NASA/Michael DeMocker Following the recent successful test flight of NASA’s ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3680 Issue Time: 2026 Apr 20 2023 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3679 Begin Time: 2026 Apr 19 1920 UTC Yesterday Maximum 2MeV Flux: 1297 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

NASA News   MEDIA ADVISORY M26-033 APRIL 20, 2026 MISSIONS NASA Invites Media to SpaceX’s 34th Resupply Launch to Space Station A SpaceX Dragon cargo spacecraft is photographed on Aug. 25, 2025, with its nosecone open and carrying over 5,000 pounds of science, supplies, and hardware as NASA’s SpaceX CRS-33 mission approaches the International Space Station for an automated docking to the Harmony module’s forward port. Both spacecraft were flying 259 miles above ...Continue Reading

NASA News   RELEASE 26-034 APRIL 20, 2026 MISSIONS NASA Welcomes Latvia as Newest Artemis Accords Signatory   Latvia’s Minister for Education and Science Dace Melbārde, second from right, signs the Artemis Accords, as NASA Administrator Jared Isaacman, second from left, U.S. Under Secretary of State for Economic Affairs Jacob Helberg, left, and chargé d’affaires a.i. at the Embassy of the Republic of Latvia to the United States Jānis Beķeris, rig ...Continue Reading

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA SPACE WEATHER ADVISORY OUTLOOK #26-16 2026 April 19 at 9:42 p.m. MDT (2026 April 20 0342 UTC) **** SPACE WEATHER OUTLOOK **** Summary For April 13-19 G1-G2 (Minor-Moderate) geomagnetic storm levels were observed on 18-19 Apr. No other significant space weather event was observed during the week. Outlook For April 20-26 No significant space weather event is expected. Data used to provide ...Continue Reading

:Product: Solar Region Summary :Issued: 2026 Apr 20 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 110 Issued at 0030Z on 20 Apr 2026 Report compiled from data received at SWO on 19 Apr I. Regions with Sunspots. Locations Valid at 19/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4415 S18W74 017 0030 Hsx 02 01 Alpha 4419 N14W12 315 0240 Eao ...Continue Reading