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10 April 2014 11:44 am ,
Vol. 344 ,
The Pyrenean ibex, an impressive mountain goat that lived in the central Pyrenees in Spain, went extinct in 2000. But a...
Tight budgets are forcing NASA to consider turning off one or more planetary science projects that have completed their...
Ebola is not a stranger to West Africa—an outbreak in the 1990s killed chimpanzees and sickened one researcher. But the...
In an as-yet-unpublished report, an international panel of geoscientists has concluded that a pair of deadly...
Tropical disease experts tried and failed before to eradicate yaws, a rare disfiguring disease of poor countries. Now,...
Since 2002, researchers have reported that agricultural communities in the hot and humid Pacific Coast of Central...
Balkan endemic kidney disease surfaced in the 1950s and for decades defied attempts to finger the cause. It occurred...
- 10 April 2014 11:44 am , Vol. 344 , #6180
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Venus's Rare Sun Crossing May Aid Search for Exoplanets
10 May 2012 2:03 pm
Early next month, skywatchers will get their second—and final—chance this century to observe a rare mini-eclipse in which Venus crosses in front of the sun. As seen from Earth on 5-6 June, the silhouette of Venus, as big as a large sunspot, will adorn the sun's orange disk with a fleeting beauty mark. Venus's passages, or transits, occur in pairs spaced 8 years apart every 105 or 122 years. The next transit isn't until 2117.