Webb data indicate Chariklo's dense inner ring grew more opaque while its tenuous outer ring faded, though wavelength-dependent grain behaviour remains an alternative explanation.
The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system ...
A registered beefalo, the bison-cattle breed at the centre of the study. Credit: Karl Young, CC BY-SA 3.0, via Wikimedia Commons. A bull called Joe’s Pride changed hands in 1975 for $2.5 million. His ...
Placing concrete in a block at the mid-section of the dam, an eight-cubic-yard bucket handled by an overhead cableway. Bureau of Reclamation photograph via the US National Archives (NARA 293921), ...
Wade out from the north-western shore of Lake Issyk-Kul, keep walking until the water reaches your chest, and there is a fair chance you are standing on a mosque. In the autumn of 2025, an ...
Two hundred million cones of red dirt, spaced out like a car park grid, and for four thousand years almost nobody bothered asking what they were for. They sit in the caatinga, a dry thorn-scrub forest ...
An Artemis II astronaut photographed the cratered Moon and crescent Earth from Orion in April 2026. Credit: NASA. The image is illustrative and is not one of the microbial-survival maps from the study ...
Concrete is the second most-used substance on Earth after water, and the cement that holds it together is one of the biggest headaches in climate policy. Making cement means heating limestone until it ...
Two and a bit tonnes of snapped rock, stacked into neat circles, in a chamber that has never once seen daylight. Nobody has worked out why. Bruniquel Cave sits above the Aveyron gorges in the ...
On the night of August 1, 1969, a green pulse of light left a telescope at the Lick Observatory in California, travelled a quarter of a million miles to the Sea of Tranquillity, struck a ...
What if the part of a battery you never think about, the fluid that sits between the electrodes, could be made from the shells your last seafood dinner left behind? That is roughly what a team led by ...
A gift of more than $5.5 million from Anna and Greg Brockman — Greg being the cofounder and president of OpenAI — closed the gap on a roughly $10 million community fundraising target and cleared the ...
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