Space Weather Message Code: ALTEF3 Serial Number: 3678 Issue Time: 2026 Apr 17 0731 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3677 Begin Time: 2026 Apr 03 0920 UTC Yesterday Maximum 2MeV Flux: 2407 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 17 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 107 Issued at 0030Z on 17 Apr 2026 Report compiled from data received at SWO on 16 Apr I. Regions with Sunspots. Locations Valid at 16/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4415 S18W33 015 0060 Hsx 02 01 Alpha 4416 N20W64 046 0100 Dso ...Continue Reading

NASA News   MEDIA ADVISORY M26-030 APRIL 16, 2026 MISSIONS NASA Invites Media to Latvia Artemis Accords Signing Ceremony Credit: NASA The Republic of Latvia will sign the Artemis Accords during a ceremony at 9 a.m. EDT Monday, April 20, at NASA Headquarters in Washington.   NASA Administrator Jared Isaacman will host Dace Melbārde, Latvia’s minister for education and science; Jānis Beķeris, chargé d’affaires at the Embassy ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3677 Issue Time: 2026 Apr 16 1323 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3676 Begin Time: 2026 Apr 03 0920 UTC Yesterday Maximum 2MeV Flux: 3248 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 16 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 106 Issued at 0030Z on 16 Apr 2026 Report compiled from data received at SWO on 15 Apr I. Regions with Sunspots. Locations Valid at 15/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4415 S18W19 015 0090 Hsx 03 03 Alpha 4416 N20W50 046 0110 Dso ...Continue Reading

NASA News   RELEASE 26-032 APRIL 15, 2026 MISSIONS NASA Selects Voyager for Seventh Private Mission to Space Station Credit: NASA NASA and Voyager Technologies have signed an order for the seventh private astronaut mission to the International Space Station, targeted to launch no earlier than 2028 from Florida.   This is the company's first selection for a private astronaut mission to the orbiting laboratory, underscoring NASA’s ongoing ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3676 Issue Time: 2026 Apr 15 0756 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3675 Begin Time: 2026 Apr 03 0920 UTC Yesterday Maximum 2MeV Flux: 1705 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 15 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 105 Issued at 0030Z on 15 Apr 2026 Report compiled from data received at SWO on 14 Apr I. Regions with Sunspots. Locations Valid at 14/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4415 S18W05 014 0090 Hsx 03 04 Alpha 4416 N20W37 046 0120 Dso ...Continue Reading

Super Typhoon Sinlaku   April 14, 2026 Natural Events   Latest Natural Event Images View the natural events archive Super Typhoon Sinlaku The violent storm aimed at the U.S. Northern Mariana Islands and Guam in mid-April 2026.     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/earth-observatory Follow NASAEarth       NASA Earth Science Division ...Continue Reading

Latest Images of the Day plus a new puzzler!   April 14, 2026 Weekly News   Latest Images of the Day View the Image of the Day archive Super Typhoon Sinlaku The violent storm aimed at the U.S. Northern Mariana Islands and Guam in mid-April 2026. Megaberg Ends Its Long Odyssey at Sea Antarctic Iceberg A-23A’s journey ends in fragmentation in the South Atlantic Ocean, after a 40-year lifespan documented by satellites. ...Continue Reading