"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star ...

This NASA/ESA Hubble Space Telescope image of a vibrant spiral galaxy called NGC 5042 resides about 48 million light-years ...

The agency is encouraging astronomy clubs to throw “star parties” to introduce people to the nebulae and galaxies spotted by ...

A stunning Hubble image showcases a spiral galaxy seemingly intertwined with a nearby star—but looks can be deceiving! This ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show "3 ...

Answer: For near stars, astronomers use a method called parallax. During Earth’s orbit, near stars seem to shift their position against the farther stars. This is called parallax shift. By ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, ...

Scientists have discovered a potential three-body system in the Kuiper Belt, the Altjira system, challenging planet-formation theories.

YR4, initially raising impact concerns, is confirmed safe for Earth after precise observations by the Subaru Telescope. Early ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...