Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...

Rapid X-ray oscillations detected near the innermost orbit of a supermassive black hole could indicate the presence of a nearby orbiter such as a white dwarf ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

A spiritual mystic scene on a cosmic background. Constellations of the Western Zodiac, loopable animation. Astrology and horoscope reading concept. The zodiac sign Taurus is a constellation of bright ...

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