Curiosmos
  • Home
  • Unsolved Mysteries
  • Ancient Civilizations
  • Cosmic Phenomena
  • Alien Theories
  • Curious Lists
No Result
View All Result
Like us on Facebook
Curiosmos
  • Home
  • Unsolved Mysteries
  • Ancient Civilizations
  • Cosmic Phenomena
  • Alien Theories
  • Curious Lists
No Result
View All Result
Curiosmos
No Result
View All Result

Ancient life beneath Antarctica raises new questions about survival in extreme worlds

Ivan PetricevicbyIvan Petricevic
January 16, 2019 - Updated on April 17, 2025
in Editor's Picks
A view down the the borehole at about 3,500 feet (1,070 meters) below the ice. Image Credit: Kathy Kasic/salsa-antarctica.org.

A view down the the borehole at about 3,500 feet (1,070 meters) below the ice. Image Credit: Kathy Kasic/salsa-antarctica.org.

Share on FacebookShare on Twitter

Ancient life beneath Antarctica offers a rare glimpse into how organisms can survive in complete darkness, under extreme pressure, and without sunlight for possibly millions of years. Hidden deep under the ice in a buried lake called Lake Mercer, these lifeforms thrive in conditions that once seemed too hostile to support even basic microbial activity — and yet, they’re there.

This is not just a discovery about Earth’s extremes. It may reshape how scientists think about life across the solar system.

How scientists uncovered ancient life beneath Antarctica’s ice

Ancient life beneath antarctica
A rare glimpse down the borehole at over 3,500 feet (1,070 meters) beneath the Antarctic ice, hovering just above the hidden surface of the subglacial lake. (Image courtesy of Kathy Kasic / salsa-antarctica.org)

The discovery came through a research mission called SALSA — the Scientific Access to Subglacial Antarctic Lakes project. Using a hot-water drill, scientists melted their way through more than 1,000 meters of solid ice to reach Lake Mercer, a subglacial lake hidden beneath the West Antarctic Ice Sheet.

Lake Mercer spans over 160 square kilometers and has likely remained sealed off for millions of years. When the team extracted water samples, they found something remarkable: about 10,000 microbial cells per milliliter — a surprisingly dense population for a lake with no sunlight, minimal nutrients, and subzero conditions.

Related Posts

30 rare photos of Nikola Tesla that history almost lost

30 rare photos of Nikola Tesla that history almost lost

March 5, 2019 - Updated on April 18, 2025
Alpine Shelter.

Monte Cristallo’s Historic Alpine Shelter: A Breathtaking Relic from World War I

March 28, 2023

This kind of ancient life beneath Antarctica thrives in total isolation from the surface world. The organisms discovered in Lake Mercer survive without photosynthesis. Instead, they rely on chemical energy sourced from the minerals in rocks and sediments beneath the ice — a metabolic strategy known as chemosynthesis.

John Priscu, a polar ecologist from the University of Montana, said: “We saw lots of bacteria — and the system has enough organic matter, you would think, to support higher life forms.”

This has led scientists to wonder whether simple animals like tardigrades or nematodes could also exist in these dark waters. If true, it would push the boundaries of what we define as habitable.

Not the only subglacial lake hiding life

Lake Mercer is just one of more than 400 subglacial lakes buried beneath Antarctica. In 2013, a similar discovery was made at Lake Whillans, where scientists found microbial life in another deeply buried body of water.

But Lake Mercer is larger, deeper, and hydraulically active — meaning water periodically flows in and out, potentially cycling nutrients and sustaining life. Each of these lakes is like a sealed time capsule, untouched by surface conditions and potentially holding unique ecosystems developed in isolation.

What ancient life beneath Antarctica can teach us about survival off Earth

The real power of this discovery lies in what it suggests about life beyond Earth. Conditions in Lake Mercer — cold, dark, pressurized, sealed — are strikingly similar to environments on Jupiter’s moon Europa, Saturn’s moon Enceladus, or even subsurface pockets of Mars.

If life can survive here, it may survive there.

Subglacial exploration in Antarctica acts as a training ground for future space missions. The tools used to access Lake Mercer could one day be adapted for robotic drills on icy moons. Studying ancient life beneath Antarctica isn’t just about Earth’s extremes — it’s about preparing to detect alien life in the universe.

Despite being one of the most isolated places on Earth, Lake Mercer reminds us that life is persistent. It doesn’t always need sunlight, warmth, or ideal conditions. Sometimes, it just needs water, time, and the chemistry to endure.

As researchers continue to probe these hidden Antarctic ecosystems, they are not just uncovering Earth’s biological secrets. They’re redefining the conditions under which life itself can exist.

Share2285Tweet98Share27ShareSend
Ivan Petricevic

Ivan Petricevic

I've been writing passionately about ancient civilizations, history, alien life, and various other subjects for more than eight years. You may have seen me appear on Discovery Channel's What On Earth series, History Channel's Ancient Aliens, and Gaia's Ancient Civilizations among others.

Related Posts

Antarctica’s Hidden World: Here’s What Antarctica Looks Like Beneath the Ice
Editor's Picks

Antarctica’s Hidden World: Here’s What Antarctica Looks Like Beneath the Ice

April 8, 2019 - Updated on January 22, 2024
Could the galactic zoo theory explain why aliens haven’t contacted us yet? An illustration of an alien being. Depositphotos.
Editor's Picks

Are We Being Watched? Exploring the Zoo Hypothesis for Alien Life

December 19, 2024
A photograph showing small ancient spheres. Image Credit: Konstantinos Trimmis.
Editor's Picks

Have Experts Solved the Mystery Behind These 4,500-Year-Old Spheres?

October 3, 2022 - Updated on January 21, 2024
How did the universe come into existence
Editor's Picks

How Did the Universe Form? A Deep Dive into Theories of Cosmic Origins

September 17, 2024
On this mosaic image, we see about 48,000 light-years out of the 220,000 light-year span of the Andromeda Galaxy. A better-quality version is included in the article below. Credit: NASA, ESA, J. Dalcanton, B.F. Williams and L.C. Johnson (University of Washington), the PHAT team and R. Gendler
Editor's Picks

This 1.5 Billion Pixel Image Of The Andromeda Galaxy Will Blow Your Mind

January 11, 2021 - Updated on January 21, 2024
An image of the Sphinx, the Pyramid of Khafre, and the Great Pyramid of Giza in the middle. Shutterstock.
Editor's Picks

Did the Garden of Eden point to Egypt — and was the Great Pyramid the Tree of Life?

May 6, 2025
  • About
  • Privacy Policy
  • Fair Use Notice
  • DMCA / Removal
  • Impressum
  • Contact
  • Fact-Checking Policy
  • Ethics Policy
  • Ownership and Funding Information
  • Impressum
CURIOSMOS.COM

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
No Result
View All Result
  • Home
  • Unsolved Mysteries
  • Ancient Civilizations
  • Cosmic Phenomena
  • Alien Theories
  • Curious Lists