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

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

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 ...

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

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

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

The Hubble Space Telescope captures stunning imagery of barred spiral galaxy UGC 678. The galaxy is located about 260 million light-years away from Earth in the Pisces constellation. Credit: Space.com ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space Telescope. The spiral galaxy is about 32 million light-years from Earth.

Can asteroids orbit each other in pairs of three, also called a three-body or triple system, like stars? This is what a ...

A new image from the Hubble Space Telescope shows one of the most famous and beautiful objects in the night sky.

It is showing only a tiny fraction of the Veil Nebula, which is roughly as wide as six of Earth’s moons placed side by side. Hubble has previously snapped images of this nebula in 1994 ...