Planetary Science
- Planetary Science
New exoplanet: Big Earth or small Neptune?
NASA’s Kepler spacecraft has discovered a “cousin” of Earth 1,400 light-years away. But even though the new planet bears many similarities to Earth, experts say much about it remains a mystery.
- Planetary Science
Quest to trace origin of Earth’s water is ‘a complete mess’
Understanding the origin of Earth’s water is hard enough, and it’s made harder by not knowing where all that water is hiding.
- Planetary Science
Mini moons may zip around Earth
Mini moons may buzz around Earth, and they make great targets for space missions.
- Planetary Science
Map of Ceres’ surface shows surprises
Clusters of craters on Ceres and smooth landscapes hint at an unusual past for the dwarf planet.
- Planetary Science
New results from Philae lander offer first close-up of a comet
Philae’s bouncy journey across comet 67P allowed it to check out two very different sites before taking a detailed look at both the inside and outside of the comet.
- Life
Encountering an unexpected Pluto and life’s complexity
Just as genetic analyses are revealing details of life’s long history, the New Horizons probe is bringing the fuzzy surface of Pluto into focus.
- Planetary Science
Pluto’s icy landscape comes into view
The New Horizons flyby reveals varied terrain and evidence of active geology on Pluto.
- Planetary Science
Ice flows, haze offer more clues to Pluto’s geology
New Horizons’ latest data reveal more hints about Pluto’s shrinking atmosphere and possible underground ocean.
- Planetary Science
First craters on Mars spotted 50 years ago
Fifty years ago, Mariner 4 revealed that the Red Planet was peppered with craters. Now we know pockmarks are common on many other planets and moons, too.
- Planetary Science
Latest dispatch from Pluto reveals frozen plains, icy hills and more
Polygon plains, windswept hydrocarbons, and more moons were tantalizing details revealed about Pluto in the latest data from New Horizons.
- Planetary Science
Mission to Pluto: Live coverage
The New Horizons spacecraft is scheduled to fly by Pluto on July 14. Check back often for frequent updates on the status of the mission, updates from mission control, and the latest images.
- Planetary Science
Pluto: A timeline of 85 years of discovery
Several observations in the last 85 years have given astronomers a little more information about Pluto, and the July 2015 flyby will offer the closest look yet at the solar system's far-flung satellite.
