What triggers supervolcanoes?
January 7, 2014, 11:16 a.m. by Charles Q. Choi, LiveScience
Regardless of what causes supervolcanoes, they're likely to only erupt every 10,000 years or so.
Grizzly bears should stay on Endangered Species list, scientists say
December 13, 2013, 10:16 a.m. by Stephanie Pappas, LiveScience
Between tree-eating beetles, a lack of pine nuts and invasive fish, experts argue that there isn't 'a single positive trend' for grizzlies' survival.
How Yellowstone wolves are helping grizzly bears fatten up
July 29, 2013, 4:13 p.m. by Tia Ghose, LiveScience
The wolves are making sure that the bears have more berries to eat before hibernation season begins.
What Yellowstone's geysers can teach us about volcanoes
July 22, 2013, 10:39 a.m. by Becky Oskin, LiveScience
A closer look at the Lone Star Geyser could help scientists predict volcanic eruptions.
Yellowstone's volcano bigger than thought
April 18, 2013, 9:50 a.m. by Becky Oskin, LiveScience
Knowing the volume of molten magma beneath Yellowstone is important for estimating the size of future eruptions.
Old Faithful's underground cavern discovered
April 12, 2013, 6:10 p.m. by Becky Oskin, LiveScience
Tiny tremors extracted from seismic records collected in the 1990s revealed the shape of the cavern and geyser conduit.
Where Yellowstone's supervolcano is likely to erupt
September 14, 2012, 12:20 p.m. by Charles Q. Choi, OurAmazingPlanet
Scientists suspect that Yellowstone is capable of an eruption covering half the U.S. in 3 feet of ash, there are no signs of imminent outbursts.
Interview: Scott Downing's summer job in Yellowstone
August 6, 2012, 8 a.m. by Melissa Hincha-Ownby
Although Downing's official job involved cleaning toilets, his unofficial job included trips to the far reaches of Yellowstone National Park.