Alien Life Inside Ancient Cave

Late last year, it was reported that scientists had opened a cave that had been untouched for 5 million years. Romania’s Movile Cave was discovered by accident in 1986. What scientists found inside is unlike anything else on Earth. Although the cave’s air is thick with carbon dioxide and hydrogen sulfide, which is toxic to humans, life thrives there. Dozens of species, including blind spiders, translucent worms, and sulfur-eating bacteria—have evolved in absolute isolation. This makes it one of the most alien ecosystems in the world.

Movile Cave is located in southeastern Romania. Its entrance was blocked by layers of limestone and clay, which created an oxygen-starved ecosystem. The creatures inside evolved by adapting to a world of darkness, sulfuric air, and acidic pools.

Oxygen levels in the cave are 7-10 percent, which is less than half of what humans need for survival. Suffocation can happen within minutes. Nevertheless, these species have adapted to extract oxygen efficiently and to feed on bacterial mats growing on the cave’s walls and pools.

Rather than relying on photosynthesis, life in the cave depends on chemosynthesis; bacteria convert sulfur and methane gases into usable energy. Small creatures feed on the bacteria or each other.

Over 50 species discovered inside Movile Cave are not found anywhere else on the planet. Genetic studies suggest that some of these species split from their ancestors millions of years ago.

Movile Cave offers a possible glimpse of early Earth before plants rose to dominate the surface. Scientists are uncovering how ancient organisms might have survived.

Although Movile Cave’s ecosystem is called ‘alien’, it isn’t used to mean extraterrestrial. It is unfamiliar and other worldly. The survival mechanisms are unknown in typical environments. Because its food web is self-contained, it could indicate what could exist on moons like Europa and Enceladus.

Mobile Cave is so sensitive, even small disturbances could disrupt its balance. The introduction of surface microbes or changing the airflow could devastate the ecosystem. Therefore, only a few specialized researchers have access to the cave.

 

https://www.msn.com/en-us/news/technology/scientists-open-a-cave-untouched-for-5-million-years-and-discover-alien-life-inside/ss-AA1QhRmq?ocid=hpmsn&cvid=6956ca7648d9426898dfaf4b7eb5a94b&ei=97

Volcano Wakes Up After 700,000 Years

Late last year, satellite instruments recorded a series of subtle changes in a mountainous region near the Iran-Pakistan border. The movements were not dramatic or even visible to the eye, but they piqued the interest of geophysicists.

The location is far from urban centers and there are no instruments on the ground. Yet a pattern had formed over several months that point to a shift originating within a long-quiet volcano known as Taftan. Located in southeastern Iran, Taftan had shown no signs of activity for hundreds of thousands of years.

Between July 2023 and May 2024, Taftan’s summit rose by 3.5 inches and remained stable over that period, with no sign of reversal. A study modelled the source of the uplift at a depth of 490 to 630 meters. The deformation implies that pressure is accumulating in the form of hot fluids and gases circulating beneath the surface.

The uplift is not due to rainfall, seismic activity, or other external events. The cause is probably driven by either gas accumulation in rock fractures or a pulse of magma releasing volatiles into subsurface layers.

Taftan is one of Iran’s tallest volcanoes. Its summit vents have emitted sulfur-rich gas for decades. However, no eruptive activity has occurred in recent geological time.

In 1902, reports refer to intense gas emissions with a night-time glow visible from surrounding areas. A lava flow was reported in 1993, but it may have been molten sulfur rather than lava.

Rock samples indicate the last magma-related activity occurred 700,000 to 800,000 years ago. Volcanologists stress that long periods of dormancy are not unusual. Many volcanoes have been inactive for millennia before showing surface changes. Taftan is now considered a dormant but dynamic system. Ground changes may precede more activity, even without a visible eruption.

Taftan sits in a remote province that is arid, sparsely inhabited, and has no permanent scientific monitoring infrastructure. There’s no seismometers, GPS stations or gas analyzers. That leaves only satellites to fill in the gaps. The creation of a local monitoring network to measure sulfur dioxide, carbon dioxide, and water vapor emissions would help determine if the pressure is stabilizing or increasing.

The current uplift alone is not an indicator of imminent eruption. However, the movement indicates the type of pressure build-up that can lead to steam-driven events triggered when superheated water rapidly expands near the surface. Such events don’t typically involve lava but can eject ash and gasses. They are unpredictable, occurring with little or no warning.

Taftan’s summit vents are active. Sometimes, residents of Khash, located 50 kilometers away, report sulfur odors. The possibly not-dormant-anymore volcano is being watched.

 

https://www.msn.com/en-us/weather/topstories/remote-volcano-wakes-up-after-700-000-years-of-complete-silence/ar-AA1ThQEL?ocid=hpmsn&cvid=695447e377f4450e9d6f669804a4258d&ei=45