Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

White dwarf stars could host habitable planets. Fast planetary rotation reduces cloud cover, keeping surface temperatures stable.

Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations. They found that a planet orbiting a white dwarf star would offer a ...

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University of Amsterdam in a statement. This orbital period places it a little closer ...

One of the largest exoplanets to be found orbiting a relatively low-mass star has been discovered, thanks to the way the planet's gravity drags ... orange K-class dwarf with just 64% the mass ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long ...

However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s reclassification as a dwarf planet ... enough for its gravity to pull ...