New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

A new study shows a volcanic eruption of Yellowstone may be even less likely than we thought: Scientists have discovered a ...

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

Yellowstone's supervolcano appears to have a magma cap that vents pressure and reduces the chances of a massive eruption happening anytime soon.

For the first time, geoscientists detected the top of Yellowstone’s magma reservoir. It is active and dynamic, but not in danger of erupting, they found.

Researchers from Rice University imaged the magma underneath Yellowstone and showed how it vents pressure, reducing the likelihood of a massive eruption anytime soon.

Faithful gather in front of St. Mary Major Basilica in Rome.

Tchotchke shop owners are busy stocking shelves with Old Faithful shot glasses, stuffed teddy bears and Yellowstone hoodies.

Overseas travel to the U.S. nosedived 11.6% in March, reflecting jitters over Trump administration tariffs, stock market turmoil and foreign bitterness toward the country’s altered relationship with t ...

Yellowstone is huge, over 2.2 million acres. Almost 5 million people visited it last year. It's the world’s first national ...

Scientists have tracked an increase from 5 to 23 eruptions per day since 2000. These geysers are unpredictable because of the ...