A NASA study says part of west-central Texas covered by four large wind farms warmed at a rate of .72 degrees Celsius per decade in contrast to nearby regions without wind farms.
A line of strong storms across the US Midwest on April 28 knocked over a tent at a St. Louis sports bar, killing one man and injuring at least 100 people.
Only minor damage was reported including collapsed walls and uprooted trees. Meteorologic reported the tornado as an F1, which would mean winds of 73-112 mph.
A study suggests eastern U.S. was kept cooler than it would have been otherwise in 20th century due to a particular type of pollution from coal-fired power plants.
National Parks Week in the U.S. extends through this weekend, and admission is free at all 397 national parks. If you can't go, check out these cool photos.
Black roofs can be up to 30°C (54°F) hotter than brigiht roofs - those fitted to grow plants - or plain ordinary white roofs, according to scientists in New York.
Rocks in Australia contain sand-sized circles and particles, thought to be formerly molten droplets ejected into space when killer asteroids struck Earth.