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 ...
Kiruna’s church went for a walk in August 2025, at half a kilometre an hour, on 224 wheels. The trip took two days and included a daily stop for fika, the Swedish afternoon coffee break, because some ...
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), ...
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 ...
An international team of researchers has identified a new fuel-efficient route between Earth and the Moon that also avoids the kind of communications blackout the Artemis II crew experienced when ...
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 ...
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 ...
Don Gurnett, the principal investigator for the Radio and Plasma Wave Science instrument on NASA’s Cassini spacecraft, spent decades turning the electromagnetic noise of the outer planets into ...
Giant sunspot on the solar disk imaged by NASA's Solar Dynamics Observatory on 24 October 2014 — thematic full-disk sunspot imagery. Credit: NASA/SDO, public domain. That number matters because of ...
Saving up to buy land is a slow arithmetic. You put money aside, prices move, and the parcel you had your eye on becomes somebody’s subdivision plat. Keith Ludwig ran that arithmetic for years before ...
The pitch drop experiment with custodian John Mainstone, University of Queensland. Photo: John Mainstone / University of Queensland, CC BY-SA 3.0, via Wikimedia Commons. In 1927, a physics professor ...
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