This is what it's like to rappel into an active volcano
September 10, 2014, 5:11 p.m. by Russell McLendon
An epic new video follows four explorers into Vanuatu's Ambrym volcano, whose Marum crater holds a roiling lava lake.
To save a cathedral, marinate in olive oil
January 14, 2013, 4:30 p.m. by Marc Lallanilla, LiveScience
The limestone rock used to build cathedrals in northern England are vulnerable to acid rain.
Air pollution now a top 10 disease health risk
January 3, 2013, 3:34 p.m. by Jim Motavalli
New Delhi adds 1,400 poorly regulated new cars to its roads every day, so it's no wonder that the city is choking on auto exhaust. Asian air pollution kills 2 million people every year. Tough emissions laws in the U.S. explain why we're breathing better, despite adding cars, population and miles tra
Why cemeteries are a great place to track acid rain
February 27, 2012, 8:18 p.m. by Wynne Parry, LiveScience
To a geologist, a gravestone can offer information other rocks can't.
Acid rain solutions
February 6, 2009, 1:47 p.m.
Explore a variety of solutions for acid rain.
Magnetic north shifting by 30 miles a year, might signal pole reversal
6 exercises for building muscle without equipment
This puppy literally fell from the sky
Interactive map plots your address over 750 million years of Earth's history
Betty White's love for animals spans 9 decades
'Signing Day' recognizes high school seniors starting jobs, not college