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Video: Two comets to fly by Mercury November 18 and 19
The MESSENGER spacecraft, now in orbit around Mercury, will take this opportunity to study the comets so close to the sun.
November 18, 2013
Major severe weather outbreak likely for Ohio River Valley today
Nearly 120 million people in the U.S, could be affected by severe weather today. Strong tornadoes, damaging winds over 70 mph, and large hail are possible.
November 17, 2013
Bioluminescent tube worm
Scientists at Scripps Institution of Oceanography in San Diego are unraveling the mechanisms behind the dazzling bioluminescent display of this tube worm.
November 17, 2013
Comet ISON in outburst
The comet will be in a conspicuous place in the sky for the next several mornings, near the bright star Spica on the sky's dome.
November 16, 2013
How do we balance needs of energy, water, and climate?
A new MIT study underscores the need to examine trade-offs before choosing energy technologies.
November 15, 2013
Comet ISON: What’s next?
Comet ISON is a first-time visitor from the Oort Cloud surrounding our solar system. Will it survive its November 28 brush with the sun and emerge as a bright comet?
November 15, 2013
Use Big Dipper to find bright star Capella in fall
You can use the Big Dipper to find the bright star Capella in the constellation Auriga. The top two bowl stars point toward Capella. Chart here.
November 15, 2013
Scientists track new giant iceberg
Experts are watching an enormous iceberg that is separating from the Antarctica continent. Roughly the size of Manhattan, the iceberg could threaten shipping lanes.
November 14, 2013
Computer model offers daily forecasts of wildfire growth
Updated with new observations every 12 hours, the computer model predicts critical details such as the extent of the blaze and changes in its behavior.
November 14, 2013
Comet ISON has an outburst!
"We have no idea ... what ISON will do in the next couple of weeks! We simply urge everyone who can to get out and observe it while they can."
November 14, 2013
