• Dust by Senegal River and Cap-Vert Peninsula, West Africa

    Dust from the Sahara Desert blows westward off the coast of West Africa. The dust is thickest around the border between Mauritania and Senegal, with plumes visible just north of the Senegal River and the Cap-Vert peninsula, extending west from the main sandy areas of

  • Arctic amplification

    Since the mid-20th Century, average global temperatures have warmed about 0.6°C (1.1°F), however, warming has not occurred equally everywhere. Temperatures have increased about twice as fast in the Arctic as in the mid-latitudes, a phenomenon known as

  • Subsiding geomagnetic storm (May 25/26, 2013)

    Geomagnetic storming, caused by May 22th M-class solar flare and its Coronal Mass Ejection (CME), is slowly subsiding. Plasma cloud reached our geomagnetic field on May 24, 2013. In the past 24 hours, Earth's magnetic field experienced three episodes of

  • Eruption of Pavlof volcano seen from space on May 18, 2013

    Situated in the Aleutian Arc about 625 miles (1,000 kilometers) southwest of Anchorage, Alaska, Pavlof volcano began erupting on May 13, 2013 and Alaska Volcano Observatory (AVO) changed its volcanic alert level from Advisory to Watch and aviation color dode from