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Tessera AI model offers accessible way to view Earth
Tessera AI model offers accessible way to view Earth Lisa Lock Scientific Editor Andrew Zinin Lead Editor A foundation model trained on Earth observation data from Copernicus Sentinel-1 and Sentinel-2 has been made widely available to researchers, it was announced at a computer industry conference this week in Denver, U.S. Tessera, an advanced artificial intelligence (AI) model, offers high-accuracy datasets that encode what the satellite "sees" of Earth's surface during the course of a...
'Cannibal' CME from rare 'anti-Hale' sunspot will slam into Earth today, bringing auroras to 23 US states
'Cannibal' CME from rare 'anti-Hale' sunspot will slam into Earth today, bringing auroras to 23 US states Northern lights are projected across the Northern U.S. and Europe tonight as Earth gets hit by a strong solar eruption. A "cannibal" coronal mass ejection (CME) birthed from a rare type of sunspot will slam into Earth tonight (June 4), likely bringing auroras to skies above 23 U.S. states. The solar outburst began on June 2 from sunspot 4455, a dark patch on the sun's surface where...
Rocket launches and reentries harm Earth's ozone layer
Rocket launches and reentries harm Earth's ozone layer Gaby Clark Scientific Editor Andrew Zinin Lead Editor The space industry is surging. In coming years, nearly 10,000 spacecraft are slated to launch into low-Earth orbit for a variety of purposes, such as global surveillance, space tourism, and satellite "megaconstellations" providing internet service. Rocket engine exhaust, as well as the burnup of inactive satellites and rocket parts reentering Earth's atmosphere, releases a suite of...
A PMP-inspired Evaluation Framework for Assessing Deep-Learning Earth System Models
arXiv:2604.06567v3 Announce Type: replace Abstract: In recent years, Deep-Learning Earth System Models (DL-ESMs) have emerged as promising, computationally efficient complements to traditional Earth system models. Here, we present an evaluation framework for testing DL-ESMs from an Earth system model-development perspective using standardized diagnostics from the PCMDI Metrics Package (PMP). This framework allows DL-ESMs, including Ai2's ACE2 and Google's NeuralGCM, to be assessed with...
Race for rare earths at Myanmar’s borders fuels pollution fears
Race for rare earths at Myanmar’s borders fuels pollution fears Russian and Chinese firms are also competing to be the first to reach a tungsten mine in a conflict zone, sparking concerns of NGOs Myanmar is among the top three producing nations of rare earths and other critical minerals used to make magnets and other components that power products ranging from smartphones to electric vehicles, with most of its output exported to neighbouring China, where it is refined. Rare earths and metals...
Deep-Earth seismic anomalies may be explained by newly discovered manganese compound
Scientists know that manganese, in its various oxide forms, plays a significant role in Earth's geochemical cycles. However, the exact forms of manganese, their abundance and the mechanisms behind these cycles that occur in Earth's deep, high-pressure interior are not well understood. But, a recent study, published in Physical Review B, reports on a newly discovered manganese rich compound that might help shed light on manganese's behavior in Earth's interior and explain why seismic waves...
Brazil Rare-Earth Ambitions Clash With Strained Mining Regulator
Brazil Rare-Earth Ambitions Clash With Strained Mining Regulator Brazil’s aim to become a leader in rare-earths mining is running head-on into budget cuts and staffing shortages at the sector’s regulatory agency. The Latin American nation is pursuing partnerships with other countries on critical minerals and rare earths, yet its National Mining Agency, or ANM, lacks the resources to keep up with inspections and meet international commitments, said Director-General Mauro Sousa.
Brazil is set to cut in on China's rare earths dominance
Brazil is set to cut into China's rare earths dominance May 31, 2026There is a new rush for resources taking shape in Brazil. But this time, it is not about gold, coffee or rubber. Instead, the focus is on the gold of the artificial intelligence and renewable energy era: rare earths.
How Jupiter may have redirected life's ingredients toward Earth 4.5 billion years ago
How Jupiter may have redirected life's ingredients toward Earth 4.5 billion years ago Robert Egan Associate Editor NASA-supported scientists have provided new information about how the early Earth may have acquired some elements necessary for the planet to become habitable. They also suggest a new role for Jupiter in the distribution of these elements throughout the young solar system. The study, published in Science Advances, examines this history by looking at the ratio of phosphorus to...
Hidden store of manganese may have helped Earth get its oxygen
Deep below our feet, manganese may exist in a form we have never seen before, and this underground source of the metal could have played a role in the story of how Earth got its oxygen. Until about 2 billion years ago, Earth’s atmosphere barely contained any oxygen. Then came the Great Oxygenation Event (GOE) when oxygen produced by photosynthesizing microbes started to accumulate, spurring development of more diverse forms of life and changing the planet.