Pluto was identified in 1930, but by 1994, it was still little more than a blurry pixelated smudge on astronomers’ screens. Today, we marvel at its icy plains, towering mountains, and stunningly ...

Images and data have been flowing in since NASA's epic New Horizons Pluto flyby on Tuesday morning, and the latest image released shows an exaggerated color map of Pluto and its moon Charon.

Pluto's secrets are being unraveled! Astronomers have found convincing evidence of a massive ocean of liquid water hidden beneath the dwarf planet's icy surface. This exciting discovery, published ...