Planets
- Planets
Planet Survivor
Scientists have discovered a planet outside our solar system that survived the rapid growth of its parent star.
By Emily Sohn - Planets
Two Suns in the Sky
Some planets may orbit double stars, which means that the planets might have double sunrises and double sunsets.
By Emily Sohn -
- Planets
An Earthlike Planet
Astronomers have discovered an Earthlike planet that could have liquid water, and perhaps life, on its surface.
By J. L. Pegg -
- Planets
Martian Caves
New images taken by a spacecraft orbiting Mars show what appear to be entrances to caves.
By Emily Sohn -
- Planets
Defining planethood
Did Pluto deserve to be demoted from the rank of planet in the solar system?
By Emily Sohn - Planets
Strange Neptune
From giant storms and icy geysers to tilted orbits and weird spins, Neptune and its moons have many surprising features.
By Emily Sohn - Planets
A star’s belt of dust and rocks
Astronomers have obtained hints of a dusty asteroid belt around a nearby star.
By Emily Sohn - Planets
Back to the moon
NASA unveiled its plans for establishing a base on the moon by the year 2024.
By Emily Sohn - Space
Dwarf planet discord
A dwarf planet at the fringes of the solar system finally gets an official name.