US Government Podcasts » Science @ NASA Feature Stories Podcast

Science @ NASA Feature Stories Podcast

Old Solar Cycle Returns

Posted: March 27th, 2008, 11:00pm PDT

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Three months ago, a new solar cycle began. This week, however, the sun surprised onlookers with three big sunspots from the previous solar cycle. Strangely enough, this is perfectly normal.

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Crafty Tricks for Finding Moon Water

Posted: March 26th, 2008, 11:00pm PDT

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NASA's Lunar Reconnaissance Orbiter will play some crafty tricks to find water on the moon, such as using starlight to see into deep, dark craters and checking the temperature with a scientific device known as "Diviner."

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Naked-eye Gamma Ray Burst

Posted: March 20th, 2008, 11:00pm PDT

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Two nights ago, astronomers observed a cosmic explosion so intense it was visible to the naked eye from a distance of 7.5 billion light years.

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Spring is Aurora Season

Posted: March 19th, 2008, 11:00pm PDT

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For reasons not fully understood by scientists, the weeks around the vernal equinox are prone to Northern Lights.

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Gravity Waves Make Tornadoes

Posted: March 18th, 2008, 11:00pm PDT

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New research by NASA-supported scientists shows how atmospheric gravity waves, the kind we often see rippling in clouds overhead, can hit a thunderstorm and turn it into a deadly tornado.

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The Vanishing Rings of Saturn

Posted: March 17th, 2008, 11:00pm PDT

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Amateur astronomers around the world have noticed, something is happening to Saturn. The planet's rings are rapidly narrowing and, if this continues, before long they'll be just a wafer-thin line almost invisible to backyard telescopes.

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Women Drivers on Mars

Posted: March 11th, 2008, 11:00pm PDT

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To celebrate Women's History Month, an all-female team of scientists and engineers has taken control of Mars rover Spirit.

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Dark Halos Discovered on Mercury

Posted: March 6th, 2008, 10:00pm PST

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The surprises continue. Scientists studying the harvest of photos from MESSENGER's Jan. 14th flyby of Mercury have found several craters with strange dark halos and one crater with a spectacularly shiny bottom.

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Auroras in Broad Daylight

Posted: March 5th, 2008, 10:00pm PST

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Imagine living on a planet where Northern Lights fill the heavens at all hours of the day. Around the clock, even in broad daylight, luminous curtains shimmer and ripple across the sky. News flash: Astronomers have discovered such a planet. Its name is Earth.

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Avalanches on Mars

Posted: March 2nd, 2008, 10:00pm PST

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A NASA spacecraft in orbit around Mars has taken the first ever image of active avalanches near the Red Planet's north pole.

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