NASA's DART mission to test deflecting an asteroid using "kinetic impact" with a spaceship is just one way to defend planet Earth from an approaching object —and for now, the only method possible with current technology.
Planetary Sciences
Sep 26, 2022
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12
The process of unearthing a dinosaur skeleton from the ground, bit by bit, is complicated yet incredibly rewarding. The ups and downs of the excavation process is something Annie McIntosh and Mark Powers know all about—the ...
Paleontology & Fossils
Nov 7, 2022
0
75
One Friday evening in 1992, a meteorite ended a more than 150 million-mile journey by smashing into the trunk of a red Chevrolet Malibu in Peekskill, New York. The car's owner reported that the 30-pound remnant of the earliest ...
Astronomy
Dec 2, 2020
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145
The James Webb Space Telescope truly explores the unknown, displaying stunning images of previously unseen corners of the universe only possible because of the telescope's 21-foot segmented mirror that unfurled and assembled ...
Astronomy
Nov 1, 2023
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61
Microplastics have reached the farthest corners of the Earth, including remote fjords and even the Mariana Trench, one of the deepest parts of the ocean. Recently, yet another distant area of our planet has been found to ...
Environment
Apr 2, 2021
2
216
The go-to materials for building home furniture, décor and floors are composite wood products that come in large sheets. But the glues and resins holding together particleboard, fiberboard and plywood usually contain formaldehyde ...
Materials Science
May 11, 2022
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646
Satellite and spacecraft operators may finally be able to detect small pieces of debris orbiting Earth using an approach proposed by researchers from the University of Michigan.
Astronomy
Dec 4, 2023
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24
By now it's well established that microplastics are a problem in the environment, even in the remotest parts of the planet. But where do different microplastics come from and how they get there, especially in the Arctic?
Earth Sciences
Oct 16, 2019
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13
Many serious diseases, including autism, schizophrenia and numerous cardiac disorders, are believed to result from mutation of an individual's DNA. But some large mutations, which still make up only a small fraction of the ...
Biotechnology
Jun 15, 2020
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135
Forested lands across the U.S. provide 83 million people with at least half of their water, according to a broad new study of surface water sources for more than 5,000 public water systems. 125 million people, or about 38% ...
Earth Sciences
May 12, 2022
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