Tag Archives: earths

Here’s what you’ll learn when you read this story: Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of physics. This limitation has not stopped people from investigating the possibility, and the latest addition to the propellant-less club is an …

Lyons, T. W. et al. Co‐evolution of early Earth environments and microbial life. Nat. Rev. Microbiol. 22, 572–586 (2024). Google Scholar  Kump, L. R. The rise of atmospheric oxygen. Nature 451, 277–278 (2008). ADS  Google Scholar  Holland, H. D. The oxygenation of the atmosphere and oceans. Phil. Trans. R. Soc. B 361, 903–915 (2006). Google Scholar  Kasting, J. F. Earth’s …

Teeth of a Camarasaurus, found in the Morrison Formation, USA, which were also analyzed in the research. Credit: Sauriermuseum Aathal A new method allows scientists to reconstruct carbon dioxide levels and photosynthesis from fossilized tooth enamel. A surprising new line of evidence is providing fresh insights into Earth’s ancient climate. Fossilized dinosaur teeth reveal that the atmosphere during the Mesozoic …

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, is Earth’s history. Our history. Research shows there are little-known chapters in that history, deep within Earth’s past. In fact, Earth’s inner core appears to have another even more inner core within it. “Traditionally we’ve been taught …

The ocean covers most of our planet, yet much of it remains out of reach. Scientists have long struggled to study life in the deep sea. Robotic equipment is expensive, and people cannot dive to extreme depths. These issues leave entire marine ecosystems unexplored. Nicole Xu, an engineer at CU Boulder, is confident that her lab’s “cyborg” moon jellyfish can …

Beneath our feet lies a hidden world of staggering scale, a deep ecosystem brimming with billions of microorganisms. Its astonishing diversity has earned it the nickname the “subterranean Galapagos” and suggests that its genetic richness may rival or even surpass life above ground. Presenting their work at the American Geophysical Union’s annual meeting in 2018, the researchers calculated the size …

In 2016, geologists discovered an extraordinary phenomenon deep beneath a Canadian mine—a water source trapped in rock for over 2.6 billion years. This discovery, published in Nature, has provided unprecedented insights into the survival of ancient microbial life and the water’s ability to exist without exposure to sunlight for such vast periods of time. What’s more, the water is still …

Beneath the stable crust of North America, scientists have discovered something extraordinary: the deep roots of the continent are slowly dripping away in blobs of rock.  This unusual geologic process appears to be driven by the remnants of an ancient tectonic plate, revealing a rare opportunity to observe “cratonic thinning” as it happens in real time.  The phenomenon …

Dormant for 800 Million Years, Colossal Structures Have Been Uncovered Beneath China’s Surface That Could Rewrite Earth’s Early History  The Daily Galaxy Source link

Self-lofting devices propelled by sunlight have been tested for the first time in near-vacuum conditions akin to those in Earth’s upper atmosphere, paving the way for a revolution in atmospheric science. The tiny, lightweight membranes — which are made of aluminum oxide and a layer of chromium — take advantage of a phenomenon known as photophoresis, which occurs when one …