NASA Scientist Says Global Warming Danger Amounts to 'Planetary Emergency'

By Paul SiscoWashington08 October 2008Two decades after he first told legislators of the dangers of greenhouse gases and global warming, a key climate scientist repeats his message with even greater urgency. Director James Hansen of NASA's Goddard Institute of Space Studies made his comments at the National Press Club in Washington as he was honored for sounding the alarm over planetary climate change. VOA's Paul Sisco reports.James HansonNASA climate scientist James Hansen was among the first to alert the public to the dangers of climate change....

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Milky Way — the galaxy — not snack-sized anymore

Seth Borenstein , The Associated Press , Washington Tue, 01/06/2009 8:02 AM Sci-TechThe latest view of the Milky Way's structure. (AP/Harvard-Smithsonian Center for Astrophysics, Robert Hurt, Mark Reid)Take that, Andromeda! For decades, astronomers thought when it came to the major galaxies in Earth's cosmic neighborhood, our Milky Way was a weak sister to the larger Andromeda. Not anymore. The Milky Way is considerably larger, bulkier and spinning faster than astronomers once thought, Andromeda's equal.Scientists mapped the Milky Way in a more...

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