Using incredibly sensitive instruments, the researchers were able to map more than 600 feet beneath the surface of the Red Planet, finding dried lava.
Volcanic fields pepper the southwestern U.S., posing a risk of new eruptions that could cause widespread devastation.
Scientists studying the formation of Sierra Nevada say volcanic eruptions between 40 and 20 million years ago made the Great Basin the highest point in the U.S.
Severely singed cat is recovering after being scorched by ash from the Cumbre Vieja volcano.
Scientists studying the Lava Creek Tuff eruption have found unusual rocks linked to the event 631,000 years ago.
GPS monitoring shows uplift of 1.5cm over the last few months, although the underlying cause of the move is unclear.
"They say it has wiped out 10 percent of the island's economy. I think it is more...it has taken everything," a local banana plantation owner said.
Incredible video shows rock covering the shoreline after tens of millions of cubic meters of material were expelled.
The Aso Volcano has been erupting sporadically for decades, according to the NASA Earth Observatory website.
The eruption sent a huge cloud of ash and dust billowing out from one of the world's most active volcanoes, which is located in Japan's Kumamoto prefecture.
A drone company in Spain is awaiting last-minute approval from Spanish authorities to utilize a cargo drone to rescue dogs surrounded by lava flow.
The structure filmed by researchers was formed as lava from the Cumbre Vieja volcano reached the Atlantic and cooled to form a rocky shelf on the seafloor.
The dramatic photos showcase the devastation left in the wake of 1,100 degress Celsius lava and the toxic fumes created as it hits the ocean.
"It's not over yet, we don't even know how long there is to go. We're in nature's hands," said Canary Islands' regional president Ángel Víctor Torres.
Authorities reported "intense" activity in the area where the new eruptions occurred, sparking fears of the lava causing further destruction on the island.
The seismic event that triggered the new seafloor volcano in the Indian Ocean generated over 11,000 detectable earthquakes since May 2018.
The volcano started erupting on Wednesday, releasing tens of thousands of tons of hazardous volcanic gas.
Earlier Wednesday, increased earthquake activity and ground swelling had been detected and raised the alert level to "warning," officials said.
The U.S. Geological Survey has issued an alert for the eruption that began on Wednesday afternoon. The volcano in southeastern Hawaii can produce lava at temperatures over 2,000 degrees Fahrenheit.
The lava's contact with the water has given rise to concerns about toxic gases and other related dangers.
Lava has devoured everything in its path, destroying 589 buildings and 13 miles of roads on La Palma. The lava now covers 637 acres, mostly farmland.
Lava from the Cumbre Vieja volcano is approaching the coast with the risk of it hitting the ocean, bringing new potential dangers for the residents of La Palma.
Flights from local airlines were canceled after the latest eruption released a cloud of volcanic ash and gas.
Scientists have said the lava flow could last for weeks or even months as it cools and spreads rather than flowing out to sea.
The La Palma volcano has seen rivers of lava spewing from its mouth, with temperatures soaring to 1,000C as its plume soars more than two miles into the sky.
A 40-foot high wall of molten lava slowly crept through the town of Todoque on Monday as evacuating residents tried to save their belongings.
Scientists discover from 4-billion-year-old ash that Mars' giant craters are really the remains of massive eruptions.
The flowing molten rock has destroyed homes and forced thousands to evacuate after the Cumbre Vieja volcano erupted.
Authorities plan to ask the European Union for disaster relief to help rebuild roads, waterways and homes destroyed by the flow.
The eruption of Cumbre Vieja in the Canary Islands has lead to around 5,000 people being evacuated form from their homes.