Latest
Save hundreds on these refurbished tablets and laptops on sale this Memorial Day
A humble seismograph beneath the Great Smoky Mountains could be one of the best in the world
Featured in volcanoes
Tonga’s historic volcanic eruption could help predict when tsunamis strike land
This winter, a volcano in Tonga blew its top. New pressure wave analyses reveal an explosion to rival the 19th-century Krakatau eruption.
From the archives: A 1930s adventure inside an active volcano
In the April 1933 Popular Science issue, explorer Arpad Kirner recounted his descent into the mouth of the flaming Stromboli volcano.
Pluto’s icy volcanoes may have once belched ‘antifreeze lava’
New Horizons images of the planet's surface reveal icy volcanic domes the size of Hawaii’s Mauna Loa.
Tonga is fighting multiple disasters after a historic volcanic explosion
Tonga faces possible new COVID risks as it assesses damage from an eruption and tsunami waves.
The West Coast is under a tsunami advisory. Here’s what that means.
Catastrophic waves are unlikely, but residents should be cautious.
Eastern Africa’s oldest human fossils are more ancient than we realized
Ash traced back to an Ethiopian volcano suggests the remains are at least 233,000 years old.
Many volcanic islands have surprisingly cool origins
These enigmatic cool hotspots may provide important chemical clues about the evolution of the planet.
Signs of unrest were detectable 4 years before Cumbre Vieja erupted, seismic analysis suggests
Tracking tiny earthquake swarms could help improve future volcanic eruption forecasts.
How to study a volcano when it destroys your lab
Dodging lava while broadcasting real-time data on an eruption is tricky, to say the least.
Volcanoes could be our fiery allies in the fight against carbon emissions
Weathering is key to locking up some of the atmosphere's natural carbon dioxide.
