A fateful day some 66 million years ago, a 7.5-mile-wide (12 kilometer) space rock slams into Earth, setting off a series of events that ended the age of dinosaurs. From the dinosaurs' perspective, i… [+3312 chars]
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The path to the Emerald City might travel along the ocean's bottom. The crew of the Exploration Vessel Nautilus caught sight of a strange-looking formation while studying an area called Liliuokalani … [+1395 chars]
image: The structure of poly-eta, an enzyme that helps direct DNA replication. A time-resolved crystallography study of the enzyme at Rice University uncovered the importance of a third metal ion tha… [+7636 chars]
SpaceX still sees boots on Mars by 2030 and the rocket that will make the trip heading to orbit for the first time as soon as next month. "We should put people on the surface of Mars... in this dec… [+1529 chars]
Enlarge/ NASA's Mars Ingenuity helicopter has been flying across the red planet for more than a year. 61 with 44 posters participating The achievement of powered flight on another world is one of t… [+3574 chars]
In a world of materials that normally expand upon heating, one that shrinks along one 3D axis while expanding along another stands out. That's especially true when the unusual shrinkage is linked to … [+8545 chars]
The moon's phases are one of the most familiar sights in the night sky. Every month, we see our lone satellite wax and wane through a series of shapes, taking it from an unmissable full moon down t… [+5892 chars]
When Russia sent its armed forces into Ukraine amidst accusations of Nazism and NATO aggression, it left most of its credibility behind. What’s left of its credibility is in shreds as Russia lurches … [+7193 chars]
image: Left: False-colour image of the zoospore of an oomycete (Phytophthora parasitica). Note that the anterior flagellum has the appearance of tinsel while the posterior flagellum is smooth. Right:… [+2782 chars]
May 9, 2022 For some sports such as tennis, the wrist is frequently under stress, and an injury to the wrist can prevent an athlete from competing. To aid in the early detection of wrist injuries, r… [+2539 chars]
Will NASA's James Webb Space Telescope have a new rival? Anything's possible. After all, China is launching a giant flagship telescope at the end of 2023, with aims to shed light on discoveries abo… [+4066 chars]