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

NASA's Hubble Space Telescope has uncovered 36 new dwarf galaxies around Andromeda and ongoing star formation within them, ...

Hubble doesn't just look at distant nebula and galaxies, but has also observed celestial bodies and events in our own solar ...

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 discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we ...

Astronomers have discovered nearly 6,000 planets beyond our own solar system. Here's how — and how we'll find even more.

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

NASA's Hubble Space Telescope has discovered that a system of asteroids in the distant Kuiper Belt may be triplets, not twins as previously suspected. If so, the stable trio of icy space rocks ...

Let’s get this out of the way—any scientist studying Uranus will tell you that they’re tired of the planet being the butt of ...