Scientists have proposed that advanced alien civilizations could build a Dyson sphere around a black hole instead of a star.

SPOILER ALERT: This article discusses plot points in “Alien: Romulus,” now playing in theaters. Expectations are high for horror fans eager to see “Alien: Romulus,” the seventh chapter in the iconic ...

One of the most powerful objects in the universe is a radio quasar — a spinning black hole spraying out highly energetic particles. Come too close to one, and you'd get sucked in by its gravitational ...

Remember when I warned everyone that humans would probably destroy all life in the universe like construction workers killing ant colonies to make way for a never-ending series of cosmic strip malls?

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

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