May 24 Blue flames, toxic gas clouds. How does Kilauea’s latest eruption compare to its past disasters? By Nsikan Akpan Kilauea is the most lethal volcano in American history, but this reputation comes mostly from a single event. Continue reading
May 21 Kilauea’s lava is now spilling into the ocean. Here’s why that’s dangerous By Nsikan Akpan Late Saturday, Kilauea’s lava began oozing into the Pacific Ocean, creating a plume of acid and glass shards. As bad as it sounds, this poisonous haze may not be the most hazardous part. Continue reading
May 05 Photos: Why did the Kilauea volcano make a pink plume? By Nsikan Akpan Hours before the volcano erupted, it spewed a plume of pink ash hundreds of feet into the air. How come?… Continue reading
Sep 24 Scientists closing in on the dawn of plate tectonics By Shannon Hall, Scientific American The massive slabs of Earth’s crust might have started their journey more than 3.5 billion years ago. Continue reading
Jun 06 How Mother Nature and a Pentagon mathematician created the world’s largest instrument By Julia Griffin, Kristin Hugo Deep inside the Luray Caverns, a song rises above the steady drip-drip-drip of water echoing upon limestone. The Great Stalacpipe Organ, a three-and-a-half-acre percussion instrument, is its source. Continue reading
May 18 Glass spheres forged by volcanic lightning offer clues about eruptions By Dave Berndtson Scientists have developed a new way to analyze volcanic eruptions -- with lightning -- that is cost effective, relatively simple and safe. Continue reading
Mar 16 Scientists have discovered 4.2 billion-year-old remnants of the Earth’s first crust By Andrew Wagner Scientists find 4.2 billion-year-old remnants of the planet’s earliest crust right in our continental backyard. Continue reading
Nov 01 Explosives reveal Mount St. Helens’ cold heart By Nsikan Akpan Geologists paired explosives and seismic readings to look for Mount St. Helens’ magma chamber. Here's what they found instead. Continue reading
May 25 Fossilized bubbles could expand our search for habitable planets By Nsikan Akpan Bubbles buried in ancient lava on Earth may guide the search of habitable exoplanets. Continue reading
Oct 17 Watch Tracking killer comets before they strike By PBS News Hour It's only a matter of time before a big comet or asteroid is on a collision course with Earth. Will scientists discover it, and be able to do something about it, ahead of time? Science correspondent Miles O'Brien talks to… Continue watching