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- Category: Science & Space
- Published: 2026-04-30 23:31:48
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Breaking: New Evidence Points to Active Volcanoes on Venus
Scientists announced today that data from Hawaii's massive 2022 Kīlauea eruption could be the key to finally confirming whether Venus is volcanically active today. The link, detailed in a new study led by the University of Bristol, offers a direct comparison tool for deciphering radar images of Venus's surface.
"By analyzing the 2022 Kīlauea eruption in real time, we built a high-fidelity model of how lava flows evolve and how that appears in radar data," said Dr. Sarah Turner, lead author of the study. "We can now apply that model to Venus to see if its surface features match active eruptions."
How Hawaii's Eruption Solves a Venusian Puzzle
The 2022 Kīlauea eruption produced massive lava flows that were tracked from space by NASA's Earth-observing satellites. The researchers used these observations to create a radar signature profile of an active, large-scale eruption.
This profile is being compared with data from ESA's Venus Express and NASA's Magellan mission, which imaged Venus's surface. Preliminary comparisons show that several regions on Venus have radar properties consistent with active lava flows, not just ancient volcanic plains.
"The match is striking," said Dr. James O'Brien, a planetary geologist at the University of California. "If these are active flows, Venus would be far more geologically alive than many models predicted."
Background: A Planet Shrouded in Mystery
Venus has long been suspected of having active volcanoes, but its thick cloud cover makes direct observation impossible. Previous studies found transient hotspots and changes in atmospheric sulfur dioxide that hinted at eruptions. But no one could confirm a single, ongoing volcanic event.
The 2022 Kīlauea eruption provided an unprecedented opportunity. It is one of the largest recorded on Earth, offering a clear analog for the kind of large-scale eruptions expected on Venus. The new research bridges the gap between Earth-based calibration and Venusian unknowns.
What This Means: A New Era for Venus Science
If Venus is indeed volcanically active, it would reshape our understanding of terrestrial planet evolution. Active volcanoes would imply a hot interior and possibly ongoing resurfacing, challenging the long-held view of Venus as a dormant, dying world.
"Active volcanism would also pump gases into Venus's atmosphere, directly affecting its runaway greenhouse effect," noted Dr. Turner. "This could help us understand climate evolution on rocky planets, including early Earth."
For exoplanet hunters, the finding would be equally profound. A volcanically active Venus provides a nearby analog for tidally locked exoplanets, many of which may have similar conditions. The study is published in Geophysical Research Letters and is already sparking calls for new Venus missions.
"We need to get a spacecraft to Venus that can watch the surface over time," said Dr. O'Brien. "This paper shows us exactly where and how to look."
Immediate Next Steps
The team is now applying the Hawaii-derived model to the full Magellan radar dataset. They expect to identify candidate eruption sites within months. Meanwhile, NASA's DAVINCI+ and VERITAS missions, set for the 2030s, could provide the final confirmation.
"This is a detective story that Earth is helping us solve for Venus," Dr. Turner concluded. "We've had the clues for decades; now we finally have the translation guide."