Posts by 

Andrew R. Brown

First maps of Charon and Pluto

Many features on Charon informally named from science fiction, particularly Star Trek and Star Wars. Lord of the Rings, Stanley Kubrick also honored.

Latest images of Pluto’s flowing ice

Latest images from NASA's July 14, 2015 flyby of Pluto by the New Horizons spacecraft, showing evidence of an active surface on Pluto with flowing nitrogen ice.

First-ever look at Pluto’s night side

New image just released! A stunning snapshot of Pluto’s night side. The halo is from sunlight shining through the dwarf planet’s hazy atmosphere.

More ice mountains in Pluto’s heart

A second range of ice mountains has been found on Pluto, in images from New Horizons.

Closest views yet of Nix and Hydra

Pluto has five known moons, and it's a bit surprising that New Horizons hasn't found any new ones yet. Newly released images show small moons Nix and Hydra.

First images from Sunday’s last close sweep of Hyperion

The Cassini mission to Saturn - which has brought us so many breathtaking images - took a last close look at Saturn's moon Hyperion on Sunday.

You are there! Sunset on Mars

A beautiful new timelapse showing sunset on Mars in mid-April, 2015, from the Mars Curiosity rover.

MESSENGER ends mission, crashes into Mercury

Mission control confirmed end of operations at 3:40 p.m. EDT (1934 UTC), when no signal was detected by NASA’s Deep Space Network station at Goldstone.

Saturn’s two-faced moon Iapetus

This isn't the day and night side of Iapetus. It's the day side, a nearly full-on view. The two sides of this moon of Saturn have very different brightnesses.

Dwarf planet Ceres gets place names

First topographical map of Ceres with named quadrangles. Scientists announced the names at last week's Lunar and Planetary Science Conference.