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The 2017 Total Solar Eclipse Poster
Sun, Sky Watching, Eclipses
Aug 18, 2017
On August 21, 2017, a continent-spanning wave of instruments from home-made pinhole cameras to the most sophisticated telescopes in operation today will be trained on the Eclipse Across America.
Solar System
Jul 14, 2014
NASA's New Horizons spacecraft is only a year away from Pluto. Researchers are buzzing with anticipation as NASA prepares to encounter a new world for the first time in decades.
ScienceCasts: One Year to Pluto
Sun, Solar System
Jul 10, 2014
July 10, 2014: In June of last year, a full Moon made headlines.  The news media called it a "supermoon" because it was 14% bigger and 30% brighter than other full Moons of 2013.   Around the world, people went outside to marvel at its luminosity. If... Read More
Solar System
Jul 8, 2014
The summer of 2014 will be bathed in moonlight as three perigee "supermoons" occur in consecutive months: July, August, September.
ScienceCasts: A Summer of Super Moons
Jul 8, 2014
July 8, 2014:  Fruit flies are bug eyed and spindly, they love rotten bananas, and, following orders from their pin-sized brains, they can lay hundreds of eggs every day. We have a lot in common.
Solar System
Jul 2, 2014
July 2, 2014:  Scientists analyzing data from NASA’s Cassini mission have firm evidence of an ocean inside Saturn's largest moon, Titan, which might be as salty as the Earth's Dead Sea. The findings are published in this week’s edition of the journal Icarus.
Earth
Jul 2, 2014
July 2, 2014:  NASA has successfully launched its first spacecraft dedicated to studying atmospheric carbon dioxide.
ISS
Jul 1, 2014
A new species is about to join astronauts on the International Space Station: Drosophila melanogaster, also known as the "fruit fly."  Genetically speaking, the bug-eyed insects have a lot in common with human beings, and they are poised to teach researchers a great deal about voyaging into... Read More
ScienceCasts: Fruit Flies on the International Space Station
Earth
Jun 24, 2014
June 24, 2014:  In the lexicon of climate change, one word appears more often than any other: "carbon." Carbon credits, carbon emissions, carbon sequestration…. These terms are on everyone's lips. The reason is carbon dioxide (CO2).
Earth
Jun 23, 2014
NASA is about to launch a satellite dedicated to the study of the greenhouse gas carbon dioxide. The Orbiting Carbon Observatory (OCO-2) will quantify global CO2 sources and sinks, and help researchers predict the future of climate change.
ScienceCasts: NASA to Launch Carbon Observatory
Jun 18, 2014
June 18, 2014:  Anyone who remembers dialup internet can sympathize with the plight of NASA mission controllers.  Waiting for images to arrive from deep space, slowly downloading line by line, can be a little like the World Wide Web of the 1990s.  Patience is required.
Solar System, ISS
Jun 17, 2014
In early June, a laser beam lanced out of the night sky over California, heralding a breakthrough in space communications. The message it carried was "Hello, World."
ScienceCasts: A Laser Message from Space: Hello World
Earth, Sun
Jun 10, 2014
June 10, 2014:  Years ago, in 2008 and 2009 an eerie quiet descended on the sun.  Sunspot counts dropped to historically-low levels and solar flares ceased altogether.  As the longest and deepest solar minimum in a century unfolded, bored solar physicists wondered... Read More
Sun
Jun 9, 2014
NASA and NOAA agree: Solar Max has arrived, but this "mini Max" is not like any other solar maximum of the Space Age.
ScienceCasts: Solar Mini-Max
Solar System
Jun 3, 2014
June 3, 2014:  A spacecraft from Earth is about to do something no spacecraft has ever done before: orbit a comet and land on its surface. Right now, the European Space Agency's Rosetta probe is hurtling toward Comet 67P/Churyumov-Gerasimenko.  The spacecraft's mission is to study the... Read More