For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from ...

"This work highlights Euclid’s remarkable ability to detect and characterize dwarf galaxies, enabling a comprehensive view of ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Firefly Aerospace’s successful moon lander has yielded a trove of data that scientists will pore over for years.

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.

Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.

Rep. Anna Paulina Luna (R-Fla.) notched enough support to force a floor vote on allowing proxy voting for new parents, circumventing House GOP leaders who oppose the measure and argue that it is ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Haumea is a dwarf planet in the Kuiper Belt, a region of icy worlds beyond Neptune's orbit. It's one of the fastest-spinning objects in our solar system. Quaoar is a dwarf planet in the Kuiper belt, a ...

Meyer (University of Michigan) There's a class of objects in the cosmos that are neither stars, nor are they quite planets. And with this new research, scientists have improved our understanding ...