Wicked High-Definition Image of the Cosmic Web Shows the Universe’s Dark Matter Scaffolding
New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.
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Sahara Desert’s Green Past—What Scientists Just Discovered!
The Sahara Desert wasn’t always a barren wasteland—evidence suggests it was once home to lush vegetation, rivers, and thriving wildlife. Scientists are uncovering traces of this lost ecosystem, ...