SUNSET: 
Explore the Night with Bob King
Tell Time with the Big Dipper; See Ceres Transit a Spiral Galaxy
Phone battery dead? Learn how to tell time with the Big Dipper. Also, don't miss a remarkable transit of Ceres in front of the bright spiral galaxy M100.
Asteroid Ceres Was Radioactive — and That Could Explain a Lot
Radioactive heating in this asteroid's early days may have destabilized the small world, creating asymmetric surface features.
Asteroid Ceres: An Ocean World
Scientists have thought that the largest main-belt asteroid, Ceres, had an ancient ocean beneath its surface. But new data from the Dawn spacecraft show the underground ocean might still be there.
Astronomy in Space with David Dickinson
Dawn Probes Role of Cryovolcanism on Ceres
A recent analysis of data from NASA's Dawn spacecraft reveals the role of cryovolcanism past — and likely present — on the giant asteroid Ceres.
Astronomy in Space with David Dickinson
NASA's Dawn Probe Reaches Its Low, Final Orbit
NASA's Dawn spacecraft has entered a new and final orbit that will take it less than 30 miles above the surface of asteroid Ceres.
Sun Triggers Ceres’ Fleeting Atmosphere
Planetary scientists think the Sun may inadvertently create a transitory, tenuous atmosphere around the dwarf planet Ceres — and in an unexpected way.
Scientists Find Organics on Ceres
The Dawn spacecraft has detected organic compounds on the dwarf planet Ceres.
Orbital Path Podcasts with Michelle Thaller
Orbital Path 8: A Tale of Two Asteroids - Vesta and Ceres
Host Michelle Thaller speaks with Lucy McFadden, co-investigator of NASA’s Dawn Mission that traveled 130 million miles to orbit the asteroids Vesta and Ceres.
Ceres Bright Spot is Salty
Spectral observations by NASA’s Dawn spacecraft reveal that the dwarf planet’s mysterious beacon is made of salt.
New View of Ceres’ Amazing Spots
The latest image from NASA's Dawn spacecraft reveals structure in the bright spots on the asteroid 1 Ceres.
Let's Get Serious About Ceres
We pay a visit to Ceres, now the apple of the Dawn Mission's eye, as it creeps through Sagittarius this month
Dawn Sees Ceres Bright Spots and More
New results from the Dawn orbiter show bright spots, a pyramid-shape mountain, and mysterious haze on the dwarf planet Ceres.
Asteroid Tour: Fly Over Ceres
Visit the dwarf planet Ceres in this video animation created from images taken by NASA’s Dawn spacecraft.
Dawn Maps Ceres in False Color
Thanks to NASA’s Dawn spacecraft, we’re finally seeing more of the asteroid Ceres than a fuzzy ball.
Dawn Orbiter Reaches Dwarf-Planet Ceres
The long-distance traveler has finally arrived at the first dwarf planet (and largest asteroid) yet studied by spacecraft.
Bright Spots on Ceres Intrigue Scientists
Incoming views of the asteroid belt's largest body reveal spots where ice from the interior might be exposed on the surface.