The end of Permian mass extinction occurred 251.9 million years ago, marking the close of a geological period known as ...

The Binns Track is a perfect gateway for 4WD enthusiasts to lesser-known attractions in the Northern Territory.

Scientists map microplastics across ocean depths, revealing their deep spread, persistence, and potential climate impact.

One of those is a spiky calcite as fine as a strand of hair ... but here they exist in clusters," Zhang said. That makes it even more important to protect the cave, according to Zhao.

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NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured on Feb. 28, 2025, by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter. Credit: NASA/JPL ...

The most common crystal inclusions identified using Raman spectroscopy were colorless and transparent euhedral calcite crystals (figure 6 ... dark opaque crystal (figures 18 and 20, right) and ...

Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly ...