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What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...

Learn how fleeting red points seen in the early universe mark a brief growth phase of young black holes hidden inside dense ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

James Webb has spotted mysterious little red dots in the early universe that may actually be hidden black holes, challenging ...

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

1. What Are Fermi Bubbles? No, this is not a rare digestive disorder. The bubbles are massive, mysterious structures that emanate from the Milky Ways center and extend roughly 20,000 light-years above ...

New observations from the James Webb Space Telescope have revealed unexpected features in the early universe, including ...

To reach the top of Cerro Pachón, a mountain at the edge of the Atacama Desert in Chile, astronomers take a drive of two hours up a winding, bumpy road. The lush greenery at the mountain's base slowly ...

Aug. 1 is Women Astronomers Day, highlighting the historical achievements of women in astronomy. The designation honors the birthdate, in 1818, of Maria Mitchell, the first American woman astronomer ...