New AI-enhanced images of Sgr A*, showing that our galaxy's black hole spins rapidly and tilts slightly toward Earth.
This year's meteor shower will also coincide with two comets, promising a dazzling celestial display. Here's how to watch.
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He led a team of scientists who helped confirm that a Big Bang was the source of the universe. The discovery earned him a ...
Among the billions of stars that populate the cosmos, some retain the chemical signature of ancient times, long before heavy ...
An excess of gamma rays in the center of our galaxy could mean scientists have finally detected dark matter particles—or not ...
The Orionid meteor shower, which is debris from the tail of Halley's comet, is reaching its peak Monday night.