For many geodes, though, the basic science is somewhat similar. A rock cavity—holes that were once gas bubbles escaping from magma, cracks created by tectonic activity, and so on—is ...

Mysterious purple coating found on Mars rocks. The color pops up almost everywhere the Perseverance rover has looked—and could hold clues to the planet’s potential for ancient life.

In 1982, Rock Steady crew went on the Roxxy European Hip-Hop tour, performing on stages in London and Paris. They also appeared on the popular American talkshow, Letterman, in 1983.

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The band Heart is “heartbroken” after some light-fingered barracuda stole treasured instruments from the group. The rock legends were at Atlantic City’s Hard Rock Hotel & Casino on the eve ...

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