• History of nuclear weapons testing

    The first nuclear weapon was detonated as a test by the United States at the Trinity site on July 16, 1945, with a yield approximately equivalent to 20kilotons. The first hydrogen bomb, codenamed “Mike”, was tested at the Enewetak atoll in the Marshall

  • Hurricane Eugene gains power

    Hurricane Eugene has become a large hurricane in size and strength, and when NOAA’s GOES-11 satellite captured an image of the eastern Pacific on August 2, Hurricane Eugene was very obvious because of its size.Although an eye was not visible in the image, Eugene is a

  • Ash plume rising from Krakatau

    A newly released NASA satellite image shows an ash plume drifting from Anak Krakatau (also known as Krakatoa), a volcanic island in the Sunda Strait between the islands of Java and Sumatra in Indonesia. It has been intermittently active for the past several

  • Rain leaves trail of destruction in North Korea

    Heavy rains that left 59 people dead in South Korea last week also affected the North, flooding farmland, destroying bridges and damaging roads and railways, Pyongyang’s state media reported Sunday. Korean Central Television and Korean Central Broadcasting Station

  • M1.4 Earth-directed solar flare took place

    Magnetic fields above sunspot 1261 erupted this morning at 0648 UT, producing an M1-class solar flare. The blast also hurled a bright coronal mass ejection toward Earth. This movie from the STEREO-Ahead spacecraft shows the cloud racing away from the sun at almost