Dawn is 915 miles away from Ceres and is expected to inch closer later this year.
No crater was found around the mountain, surprising Ceres investigators. The mystery over the origin of the bright spots continues.
Three planets that can be described as super-Earths and one big outer planet form a system similar to our own solar system.
New Horizons found two layers of haze and also detected flowing ice on Pluto's surface.
The spacecraft has spent 21 hours collecting data, mostly about Pluto. Communications with Earth were temporarily suspended during data collection.
Hubble Telescope helped astrophysicists discover a planet that is losing its atmosphere to evaporation, as the planet is too close to its star.
A mountain like structure with steep slopes was seen in recent images take of the planet. The images also showed bright spots but offered no clues what is causing them.
Nearly a decade after the phenomenon of polar winds was observed, researchers have explained it is caused by interaction of sunlight with Titan's atmosphere.
Images taken earlier this month by Dawn from an altitude of 2,700 miles above Ceres show the spots in greater detail than before.
Saturn's ring is the biggest in solar system, according to researchers. The ring was first discovered in 2009.
Data from Hubble Space Telescope has revealed that Pluto's moons move erratically due to combined gravitational field of Pluto and Charon.
Dawn captured its most detailed ever photo of the dwarf planet from 3,200 miles on May 23.
The moon hurtles through space and the spacecraft has mostly only seen one side of it.
The space agency has announced the payload that a spacecraft would carry during its flybys to the moon.
Scientists think ice on the dwarf planet is reflecting sunlight.
