Microbial motility as an amazingly simple biosignature to detect life on Mars and elsewhere (and dangerous pathogenic bacteria on Earth)
Posted on BigThink, Link through SearchforLifeintheUniverse.
Category: alien life – Page 7
Astronomers have long sought to find the origin of the building blocks of life, and how elements like carbon, which are essential for life, spread across the universe.
Recent findings using data from NASA’s James Webb Space Telescope have unveiled a fascinating process in action.
In the Milky Way, 5,000 light-years away, two massive stars in the Wolf-Rayet 140 system are spewing out massive amounts of carbon-rich dust.
In the expansive realm of science fiction, spacecraft come in a stunning array of shapes, sizes, and technological capabilities. While much has been said about the iconic vessels in the Star Trek universe, this video takes a refreshing turn to explore a broader landscape of sci-fi. We will delve into the fascinating world of the ten largest spherical structures that have captivated audiences in movies and TV series. From massive space stations to monumental alien constructs, each of these remarkable creations offers unique insights into the imaginative possibilities of the genre.
Is it possible to travel at 100 million miles an hour? Can we accomplish this with present day technology? Or is Interstellar travel a capability reserved for Alien Civilizations?
#nasa #uap #alien.
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Do planets have intelligence? That seems to be the main idea behind a new hypothesis put forth by astrobiologists: that planets are also intelligent beings. This thought experiment is based on the idea that planets like Earth have undergone changes due to the collective activity of life, such as that of microorganisms or plants, which has given them the ability to develop a life of their own.
The research, which was published in the International Journal of Astrobiology, establishes a framework for evaluating a planet’s intelligence. To think of intelligence in terms of an intergalactic body rather than sentient creatures like humans is a startling prospect. But in a way, a planet can have a “green mind ”; this paradigm offers fresh perspectives on how to deal with crises like climate change and technological upheaval.
The researchers defined planetary intelligence as cognitive activity and knowledge operating on a large planetary scale. We know intelligence as a concept describes individuals, collective groups, even the curious behaviors of viruses or molds. The underground networks of fungi, for instance, are the breathing life of forests; they form a life system that recognizes changing climate conditions and actively respond to them. These things profoundly alter the condition of the entire planet.
Early Formation of Life’s Building Blocks
A groundbreaking study published in Nature Astronomy has revealed that amino acids, essential for life, can form in dark interstellar clouds long before stars and planets emerge. Glycine, the simplest amino acid, was shown to form on the surface of icy dust grains in cold, energy-deprived environments through a process called “dark chemistry.” These findings challenge the long-standing belief that UV radiation was required to create glycine, significantly expanding our understanding of how life’s precursors emerge in space.
NVIDIA has filed a patent for augmented reality (AR) glasses. These glasses may look like regular glasses but with some special features on the inside. It also appears that the company is looking to make these glasses lightweight and energy-efficient while offering high-quality visuals.
The patent titled “Backlight-Free Augmented Reality Digital Holography” can be found under the number 20250004275A1 on the United States Patent and Trademark Office (USPTO) website. Thanks to SETI Park, an independent patent researcher, for sharing its details on X.
Extraterrestrial and artificial life have long captivated the human mind. Knowing only the building blocks of our own biosphere, can we predict how life may exist on other planets? What factors will rein in the Frankensteinian life forms we hope to build in laboratories here on Earth?
An open-access paper published in Interface Focus and co-authored by several SFI researchers takes these questions out of the realm of science fiction and into scientific laws.
Reviewing case studies from thermodynamics, computation, genetics, cellular development, brain science, ecology, and evolution, the paper concludes that certain fundamental limits prevent some forms of life from ever existing.
Link :
A year and a half after the end of its mission, NASA’s InSight Mars lander may have just helped scientists find enough water to fill an ocean.
Deep beneath NASA’s InSight lander (RIP InSight), an ocean’s worth of liquid water may be trapped in rocky fissures, suggests a recent study of data recorded during more than 1,300 Marsquakes. If University of California, San Diego, geologist Vashan Wright and his colleagues are right, then Mars may be hiding underground reservoirs of water larger than the planet’s ancient, now-vanished, oceans. That could change how we search for traces of life on Mars, as well as how future Mars missions could supply themselves with water, rocket fuel, and oxygen to breathe.
Wright and his colleagues published their work in the journal Proceedings of the Natural Academy of Sciences.