“Ernie and Leela,” and “Ernie Under My Desk,” photographs by Tony Mendoza from his book Ernie: A Photographer’s Memoir, published by Chronicle Books. Courtesy the artist and Lee Marks Fine…
Astronomers recorded, in the Ophiuchus galaxy cluster, the largest known post–Big Bang explosion, which lasted several hundred million years and created a void of fifteen galactic widths in the plasma…
Hydrocarbon fuels can now be produced with sunlight and air, making them carbon-neutral; the hole in the ozone layer was shrinking; and the first successful climate model of the early…