Science Alert
Catch up on the latest science news, from space and technology to life and environmental research- all the discoveries shaping our world today.
Updated: 2 hours 34 min ago
Rewriting history: The 3.8-billion-year-old clue found in a Quebec rock
Ancient rocks in Quebec, dating back 3.77 billion years, may hold the oldest evidence of life. Microscopic tube-like structures and filaments, resembling modern microbes, were found alongside chemical signatures of biological activity. This suggests life emerged rapidly on early Earth, potentially thriving in hydrothermal vents, offering insights into life's origins and possibilities on other planets.
In the 1920s, Clarence Birdseye watched fish freeze instantly in Arctic air and this insight helped create the frozen food industry
A simple Arctic observation in the 1920s by Clarence Birdseye changed food forever. He noticed fish frozen quickly in extreme cold retained freshness. This led to the invention of rapid freezing technology. This innovation allowed food to be preserved and transported long distances. Frozen foods became a staple, transforming how American families bought and ate food.
Mercury’s Diamond Layer Insights: study points to deep sparkling core; findings may explain odd magnetic field
Mercury, once thought a simple iron ball, may boast a mile-thick diamond layer beneath its surface. New research suggests intense pressure and sulfur during its cooling transformed carbon into diamond, forming a unique boundary between its core and mantle. This discovery could explain the planet's strong magnetic field and offers clues for finding habitable exoplanets.
The 317 skeletons under Debenhams: A lost Medieval church found in Gloucester
Gloucester's abandoned Debenhams site has yielded a significant archaeological find during its transformation into a university campus. Excavations uncovered a vast cemetery with 317 skeletal remains and 83 burial chambers, alongside the long-lost St. Aldate's Church. This discovery reveals a layered history, stretching back to Roman times, offering insights into past lifestyles and societal changes.
Why the world’s tallest tree is hidden from tourists
Hyperion, the planet's tallest tree, remains hidden. Park officials protect this giant coast redwood in California's Redwood National and State Parks. Excessive visitors damage its delicate forest habitat. The tree's shallow roots make it vulnerable to soil erosion and compaction. Keeping its location secret safeguards this living wonder and its unique ecosystem for future generations.
Hidden under the Chesapeake: The 53-mile blast zone scientists just proved is real
Beneath the serene Chesapeake Bay lies a hidden secret: a massive impact crater, nearly 53 miles wide, formed by a mountain-sized object over 35 million years ago. This ancient wound, buried under thousands of feet of sediment, continues to influence water flow and land subsidence in the region, revealing the enduring power of a cataclysmic event.
The 2,800-cubic-kilometre secret: Why fresh water is hiding under the Atlantic
Scientists have uncovered a vast, hidden freshwater aquifer beneath the Atlantic Ocean floor off the U.S. coast. This immense discovery, stretching hundreds of kilometers, holds an estimated 2,800 cubic kilometers of low-salinity water, a mix of ancient glacial melt and modern runoff. The finding revolutionizes our understanding of coastal resources and their management.
The deep-earth mystery hidden beneath Bermuda’s pink sands
Bermuda's origins are more complex than previously thought, challenging the hotspot theory. Chemical analysis reveals its rocks contain unique elements, suggesting a deep "reservoir" within Earth's transition zone. This discovery offers a rare glimpse into the planet's internal structure, revealing a layered system rather than a uniform mass, with recycled ancient materials brought to the surface.
In 2008, a nine-year-old boy chasing his dog tripped over a rock and found a lost ancestor of the human race
A young boy named Matthew Berger found important fossils in South Africa. These fossils, named Australopithecus sediba, showed a mix of ape and human features. The discovery challenged existing ideas about human evolution. It revealed that our ancestors' development was more complex than previously understood. This find continues to offer new insights into our deep past.
In 1921, a miner’s dynamite blast in Zambia unearthed a face that rewrote the map of human evolution
Miners in Zambia unearthed the Broken Hill skull in 1921, a fossil initially baffling scientists with its mix of modern and primitive features. New dating reveals this early human coexisted with the first Homo sapiens in Africa, challenging linear evolution theories. This discovery highlights the complex, branching nature of human ancestry.
Hidden Harbour At Ancient Olympia: Imaging uncovers buried basin and floodwall; study recasts ancient travel
Ancient Olympia, birthplace of the Olympic Games, was more than just ruins; new research reveals a sophisticated waterway system. Advanced technology uncovered a massive harbour basin, suggesting visitors arrived by boat directly to the sanctuary. This discovery challenges previous beliefs about ancient travel logistics and highlights the site's advanced urban planning, including flood defenses.
Miners unearthed an 11,000-carat ruby in Myanmar, but the real story goes beyond size
Miners in Myanmar have unearthed an astonishing 11,000-carat ruby, a find of immense significance in the nation renowned for its high-quality gemstones. Discovered in the famed Mogok district, the gem's potential value is amplified by its exceptional quality, even surpassing larger, less refined stones. This discovery highlights Myanmar's dominant role in the global ruby market.
