[Thursday, July 2, 2009] Saharan dust formed giant arcs off the west coast of Africa on July 1, 2009. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Terra satellite took this natural-color picture the same day.

[Monday, June 29, 2009] NASA and Japan released a new digital topographic map of Earth Monday that covers more of our planet than ever before. The map was produced with detailed measurements from NASA's Terra spacecraft.

[Sunday, June 28, 2009] Soil moisture is essential for seeds to germinate and for crops to grow. But record droughts and scorching temperatures in certain parts of the globe in recent years have caused soil to dry up, crippling crop production.

[Saturday, June 27, 2009] By June 8, NASA's UAVSAR team had completed all the objectives of the Arctic Ice Radar Mission in Greenland and flew to Keflavik International Airport to measure the topography and 3D surface velocities of the temperate ice caps of Iceland.

[Friday, June 26, 2009] Some of the substances that are helping to avert the destruction of the ozone layer could increasingly contribute to climate warming, according to a new study published in the journal Proceedings of the National Academy of Sciences.

[Thursday, June 25, 2009] The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research.

[Tuesday, June 23, 2009] A fortuitous orbit of the International Space Station allowed the astronauts this striking view of Sarychev Volcano (Kuril Islands, northeast of Japan) in an early stage of eruption on June 12, 2009.

[Monday, June 22, 2009] Stephen Warren's research concerns the ice conditions that may have existed during a time dubbed Snowball Earth, when ice and snow blanketed the planet so completely that even the ocean surface at the equator froze.

[Saturday, June 20, 2009] The 39+/-2Ma Haughton impact structure on Devon Island comprises a thick target succession of sedimentary rocks, mainly carbonates.

[Saturday, June 20, 2009] This Committee has devoted years of oversight to NPOESS," said Subcommittee Chairman Brad Miller (D-NC). "Despite our pressure to get this program under control, we are again facing cost overruns and slipping schedules."

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