“Are We Alone? NASA’s Bold Hunt for Microscopic Alien Life Beneath Mars’ Mysterious Surface”
Hold onto your space helmets, folks! A fascinating new study from NASA is sending ripples through the world of astrobiology, hinting that extraterrestrial life might be lurking right under our cosmic noses—on Mars, no less! For decades, scientists have zoomed in on the Red Planet in a quest to uncover the secrets of potential alien life. It’s also been a rich vein for Hollywood’s imagination, inspiring movies and TV shows full of quirky Martians and outlandish scenarios—think “Mars Attacks!” or even that hilarious notion of Pierce Brosnan’s head on a dog’s body. But here’s the kicker: real Martian life, if it exists, is probably not what we picture. Instead of little green men, we might be looking for tiny microbes hiding beneath icy surfaces, potentially thriving in ancient waters. With water known to have once danced across the Martian landscape, this study might just be the spark that reignites the hunt for life beyond Earth. Curious yet? Let’s dive in and see what NASA has uncovered! LEARN MORE.
A new NASA study hints that alien life may be closer to home than we thought.
For decades, Mars has been the subject of scientific study when it comes to finding extraterrestrials.
It’s also been the focus for many in Hollywood, with countless TV shows and films produced hypothesising the existence of other life forms on the planet closest to Earth.
Putting Mars Attacks! and Pierce Brosnan’s head on a dog’s body aside, though, and it seems like we’re heading back in a direction where little green men could be a real thing.
NASA’s Perseverance Mars rover on the Red Planet as we speak (NASA/JPL-Caltech/MSSS)
The big difference, in reality, is that they are likely to not be green, and will in fact be very, very small.
A new study by the Jet Propulsion Laboratory (JPL) at NASA has looked in to whether we should be once again actively investigating if there is life on Mars.
And according to the paper’s lead author, Aditya Khuller, the answer is 100 percent yes. Just not on its surface.
He says: “If we’re trying to find life anywhere in the universe today, Martian ice exposures are probably one of the most accessible places we should be looking.”
Mars has for some time known to be home to water, and ot’s believed to once have been full of the stuff.
On the planet, it manifests itself in to ice, of which there are two kinds: frozen water and frozen carbon dioxide.
The white edges here are thought to be home to dusty frozen ice, which could unlock the secrets of life elsewhere in the universe (NASA/JPL-Caltech/University of ArizonaFull)
For their paper, published in Nature Communications Earth & Environment, Khuller and colleagues looked at water ice, large amounts of which formed from snow mixed with dust that fell on the surface during a series of Martian ice ages in the past million years.
That ancient snow has since solidified into ice, still peppered with specks of dust – dust that is dark in colour and can absorb more sunlight.
The theory here is that this could potentially warm up the ice, causing it to melt up to a few feet below the surface.
From that, ancient life in the form of microbes could be surviving, and maybe even thriving, under the frozen water ice on Mars’ surface, where photosynthesis could be happening.
Pools of water similar to those that could be on Mars exist on Earth and are full of life, from fungi to algae and microscopic cyanobacteria.
Maybe Bowie was right after all (Getty Stock Images)
The concept of whether ice can actually melt on the Martian surface remains up for debate, due to a terrible thin and dry atmosphere that is not like Earth’s.
But, critically, the atmospheric effects that make melting difficult on the Martian surface wouldn’t apply below the surface of a dusty snowpack or glacier.
Co-author Phil Christensen, of Arizona State University in Tempe, said that ice melting from within is ‘a common phenomenon on Earth’.
He said: “Dense snow and ice can melt from the inside out, letting in sunlight that warms it like a greenhouse, rather than melting from the top down.”
The team now hope to re-create the dusty ice from Mars in a lab to study it under similar conditions to what you would find up on the Red Planet.
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