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Published Detection of an echo emitted by our Galaxy's black hole 200 years ago - Detection of an Echo Emitted by Our Galaxy's Black Hole 200 Years Ago



An international team of scientists has discovered that Sagittarius A* (Sgr A*), the supermassive bl...
Published Dinosaurs were on the up before asteroid downfall - Dinosaurs were on the Up Before Asteroid Downfall


Dinosaurs dominated the world right up until a deadly asteroid hit the earth, leading to their mass...
Published Climate trends in the west, today and 11,000 years ago - Climate Trends in the West: A Comparison of Today and 11,000 Years Ago


What we think of as the classic West Coast climate began just about 4,000 years ago, finds a study o ...
Published Greenland melted recently: High risk of sea level rise today



A large portion of Greenland was an ice-free tundra landscape -- perhaps covered by trees and roamin...
Published Ancient diamonds shine light on the evolution of Earth



Formed millions to billions of years ago, diamonds can shine light into the darkest and oldest parts ...
Published Humans' evolutionary relatives butchered one another 1.45 million years ago - Humans' Evolutionary Relatives Butchered One Another 1.45 Million Years Ago



Researchers have identified the oldest decisive evidence of humans' close evolutionary relatives but...
Published Finds at Schöningen show wood was crucial raw material 300,000 years ago



During archaeological excavations in the Schoningen open-cast coal mine in 1994, the discovery of th...
Published These plants evolved in Florida millions of years ago: They may be gone in decades



Scrub mints are among the most endangered plants you've probably never heard of. More than half of t...
Published Toba supereruption unveils new insights into early human migration



Working in the Horn of Africa, researchers have uncovered evidence showing how early modern humans s...
Published Pacific kelp forests are far older that we thought



Fossils of kelp along the Pacific Coast are rare. Until now, the oldest fossil dated from 14 million...
Published Utah's Bonneville Salt Flats has long been in flux



It has been long assumed that Utah's Bonneville Salt Flats was formed as its ancient namesake lake d...
Published Ancient relic points to a turning point in Earth's history 42,000 years ago - Ancient Relic Points to a Turning Point in Earth's History 42,000 Years Ago


The temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that ...
Published Why the day is 24 hours long: Astrophysicists reveal why Earth's day was a constant 19.5 hours for over a billion years



Astrophysicists have revealed how the slow and steady lengthening of Earth's day caused by the tidal...
Published Hubble finds surprises around a star that erupted 40 years ago



Astronomers have used new data from NASA's Hubble Space Telescope and the retired SOFIA (Stratospher...
Published Climate whiplash increased wildfires on California's west coast about 8,000 years ago - Climate Whiplash Increased Wildfires on California's West Coast About 8,000 Years Ago


Researchers have been studying the effects of the sudden decrease in global temperatures that occurr...
Published Whale-like filter-feeding discovered in prehistoric marine reptile



A remarkable new fossil from China reveals for the first time that a group of reptiles were already...
Published How cord-like aggregates of bacteria lead to tuberculosis infections



The ability of Mycobacterium tuberculosis (MTB), a serious respiratory infection, to form snake-like...
Published Laser-based ice-core sampling for studying climate change


Researchers have developed a new laser-based sampling system for studying the composition of ice cor...
Published The mystery of phosphite -- a scientific detective story



Biologists have discovered a phosphorus-based bacterial metabolism that is both new and ancient. In...
Published Past climate warming driven by hydrothermal vents



An international drilling expedition off the Norwegian coast confirms the theory that methane emissi...