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In images from NASA's retired Spitzer Space Telescope, streams of dust thousands of light-years long flow toward the supermassive black hole at the heart of the Andromeda galaxy. It turns out these streams can help explain ...
In 1916, a road up the hill to Fausland farm on the island of Hitra was being upgraded, using gravel from the shore along the innermost part of Barmfjorden. Suddenly, the workers noticed some human bones in between all the ...
Are drone strikes legitimate, meaning on sound moral and legal footing? How people perceive the legitimacy of U.S. drone strikes—firing missiles from remotely piloted aircraft at terrorist and insurgent leaders—is central ...
In the early 20th century, the development of a catalyst for ammonia synthesis by the Haber-Bosch method took more than 10,000 experiments before it was successful. The development of new materials is a time-consuming and ...
Insects and microorganisms that feed on plants, cut up leaves, modify leaf tissue or produce leaf spots and other kinds of damage, are usually known as pests and considered harmful, yet interactions between plants and their ...
Several billion years ago, a genetic arms race began between bacteria and their viral killers. This seemingly eternal struggle continues today, with implications for diseases killing tens of thousands of people around the ...
Bright, starry spiral arms surround an active galactic center in this new NASA Hubble Space Telescope image of the galaxy NGC 4951.
The first crewed launch of Boeing's Starliner spaceship will have to wait until at least Friday to give ground teams time to analyze a malfunctioning rocket valve, pushing back a high-stakes test trip to the International ...
Immigration has become a defining issue in the 2024 elections and a major challenge in many U.S. cities. Over the past several years, wars and armed conflict, violent persecution and desperate poverty have displaced millions ...
China on Friday launched a lunar probe to land on the far side of the moon and return with samples that could provide insights into differences between the less-explored region and the better-known near side.
