The frequency of tornadoes this year indicates variability in the northward migration of the summer jet stream.
Abrupt climate change brought cold just before the collapse of the Norse settlements.
The daring rescue of an elderly woman from a flooded river is caught on video.
Posted by Tim Wall 2 HOURS AGO | 0
The frequency of tornadoes this year indicates variability in the northward migration of the summer jet stream. Read more
Posted 6 HOURS AGO | 0
Massachusetts was under a state of emergency after at least two tornadoes hit the state late Wednesday. Read more
Posted 23 HOURS AGO | 0
Forecasts predict this season will surpass the average number of 11 tropical storms. Read more
Posted by John D. Cox Wed Jun 1, 2011 06:12 AM ET | 0
Lake sediments in western Greenland confirm that abrupt climate change brought cold conditions to the region just before the collapse of the Norse settlements in the Middle Ages. Read more
Posted Tue May 31, 2011 10:01 AM ET | 0
Germany on Monday decided to phase-out nuclear power by 2022 in the wake of the disaster in Japan. Read more
Posted Tue May 31, 2011 08:57 AM ET | 0
Think you're so smart? You probably are. So take your best shot and guess what this is a photo of. Read more
Posted by Kieran Mulvaney Tue May 31, 2011 07:17 AM ET | 0
A new book highlights Julia Platt, a rabble-rousing pioneer in marine conservation. Read more
Posted by Christina Reed Fri May 27, 2011 01:09 PM ET | 0
A teenager from Britain breaks the world record for the youngest to complete the Seven Summits challenge. Read more
Posted by Irene Klotz Wed May 25, 2011 01:00 PM ET | 0
Earth and Venus may have protected Mars from planet-building impacts common in the solar system's early days. Read more
Posted by Kieran Mulvaney Wed May 25, 2011 12:02 PM ET | 0
As sea ice melts, managing Arctic fisheries emerges as an important issue. Read more
Posted Wed May 25, 2011 08:52 AM ET | 0
The eruption of Iceland's Grímsvötn Volcano that started on May 21 had plumes higher and more volatile than last year's eruption of Eyjafjallajökull, but with coarser, heavier material. Read more
Posted Wed May 25, 2011 08:48 AM ET | 0
As Missouri residents still reeled from a devastating tornado, more twisters strike neighboring states. Read more
Posted by Emily Sohn Wed May 25, 2011 07:00 AM ET | 0
With the Dead Sea drying up as a result of rising water demand, the historic body of water may one day disappear. Read more
Posted Tue May 24, 2011 05:57 PM ET | 0
Bacteria could be to blame for bad weather and may even influence climate change. Read more
Posted by Christina Reed Tue May 24, 2011 04:12 PM ET | 0
A new threshold for flying around volcanic ash plumes will lead to less delays and cancellations during the current Icelandic eruption. Read more
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