Recent high-profile disappointments make it tempting to this our efforts to explore Mars are cursed. But landing anywhere in space is hard – not least on the Red Planet.
The red hue of the moon during a total lunar eclipse gives astronomers at cue on how to find out more about the planets being discovered around other stars.
More than three thousand planets have been found orbiting other stars in our galaxy. The challenge now is to find out more about these planets.
The discovery of carbon in the form of graphite on the surface of Mercury helps explain the mystery of why the tiny planet is so unusually dark.
A new planet in our solar system? Let's get direct proof before we start naming it.
Studying the young, Jupiter-sized planet 51 Eridani b opens a window into our solar system's past.
Photos from the spacecraft's close approach are dazzling. They and other data from the mission will fill in some of the blanks about Pluto and provide a snapshot of the infant solar system.
New Horizons mission members have worked on the project for even longer than it's taken the spacecraft to get to Pluto. They've planned, built and researched – and now their efforts are paying off.
Jupiter's moon Europa is one of the most enticing objects in our solar system, and a future NASA mission may help reveal whether it is a suitable for life.
The moon might harbor bits of the Earth that blasted off our planet billions of years ago. These lunar time capsules could hold secrets about conditions here at home back when life was first emerging.