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// technology and science news, explained
Science news from published research: medicine, climate, physics and biology, explained from the papers and the scientists behind them.
Science Explainer
The BBNJ Agreement took effect in January 2026, and the UN lists 105 parties. It sets rules for high-seas sampling, protected areas and impact checks.
A JAMSTEC-led team grew two Heimdallarchaeia strains from a gas-well biofilm. They have no nucleus, do not breathe oxygen and depend on partner microbes.
Teghaza 001, a rock of nearly 800 grams found in 2022, is a rare sample of ancient Martian crust that was altered by water, a study in Science reports.
Science Explainer
A preprint is a study posted before outside experts have reviewed it. Here is how journal peer review works, and how to read each kind of paper.
The object, about 46 au from the Sun and estimated at 600 to 1,500 km across, could be among the largest dwarf planet candidates found beyond Neptune.
Spectra of white dwarf WD J1328−1450 show gas in two separate rings, which astronomers say two surviving bodies, one possibly Pluto-sized, keep apart.
The World Meteorological Organization's annual bulletin found CO2, methane and nitrous oxide all hit new highs in 2025, with CO2 up 2.8 ppm in a year.
Headlines as each source published them, with links to the original releases.