The field of SETI searches for technosignatures could provide the first detection of life beyond Earth through the technology that an extraterrestrial...
Over two billion tons of carbon monoxide are released into the atmosphere globally each year. Diverse bacteria and archaea consume about 250 million tons...
The near-Earth asteroid 2024 PT5 is on an Earth-like orbit that remained in the immediate vicinity of our planet for several months at the end of 2024.
2024 PT5...
Primordial black holes have been theorized for decades and could even be ever-elusive dark matter. Still, no primordial black hole has ever been observed....
The El Niño-Southern Oscillation, which is characterized by irregular alternations between anomalously warm (El Niño) and cold (La Niña) conditions,...
Astronomers using the Zwicky Transient Facility (ZTF) have investigated the Taurid resonant swarm, a large interplanetary system that contains comet 2P/Encke,...
There’s more to thunderclouds than rain and lightning. Along with visible light emissions, thunderclouds can produce intense bursts of gamma rays that...
Researchers from the University of Tokyo and elsewhere have found pockets of living microbes in mineral-filled veins within 2-billion-year-old rock from...
In August 2024, ESA’s JUpiter ICy Moons Explorer (JUICE) made history with a daring Moon-Earth flyby and double gravity assist maneuver. As the spacecraft...
The Moon may have been captured during a close encounter between a young Earth and a terrestrial binary (a system of the Moon and another rocky object),...
During the Mesozoic era, between 250 and 120 million years ago, an ancient seafloor sank deep into Earth in the East Pacific Rise, a tectonic plate boundary...
Geologists from Virginia Commonwealth University and elsewhere have found new evidence of bolide impact signatures within specimens from the Massive Australian...
Around 66 million years ago, the Chicxulub asteroid impact triggered mass extinction, mega-tsunamis and a spell of global warming that lasted for around...
Breakup of an asteroid passing within Earth’s Roche limit likely formed the debris ring during the middle Ordovician period, according to new research...
The end-Permian mass extinction, which occurred about 252 million years ago, was the most severe extinction event in the past 540 million years, eliminating...
In a paper published in the journal Nature Geoscience, scientists offer a new explanation for a string of severe environmental crises, called oceanic anoxic...
Around a fifth of U.K. citizens believe Earth has been visited by extraterrestrials, and an estimated 7% believe that they have seen a UFO. The figures...
Gold nuggets occur predominantly in quartz veins, and the current paradigm posits that gold precipitates from hot water and carbon dioxide-rich fluids...
