Planetary Science
- Planetary Science
Dwarf planet Ceres gives off gassy water
Astronomers report observations that Ceres releases water molecules from two distinct spots on its surface.
- Astronomy
Rosetta spacecraft checks in with Earth
The spacecraft has successfully transmitted a signal to Earth, meaning that ESA controllers can now prepare Rosetta for its August rendezvous with comet 67P/Churyumov–Gerasimenko.
- Earth
The long and winding Colorado
The history of the West’s iconic river is written in the dramatic landscapes it has shaped. How to interpret that chronicle has become a contentious issue among geologists.
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- Astronomy
Year in Review: Visitor from the Oort cloud
A visitor from the outer solar system flies past the sun.
- Planetary Science
Year in Review: Methane shortage on Mars
A trace of the gas is not enough to be a sign of life.
- Astronomy
Exoplanet dangerously close to demise
Kepler-91b could be on the brink of death — at least on astronomical time scales.
- Planetary Science
Exoplanet mass revealed in light
A new method could help identify habitable planets.
- Planetary Science
Sinkholes, tectonics may have shaped Titan’s lakes and seas
A map of Saturn’s largest moon reveals clues about the object's landscape.
- Planetary Science
Europa vents water, Hubble data suggest
Plumes from ice-covered oceans would increase likelihood of life-friendly conditions on one moon of Jupiter.
- Planetary Science
Mars was habitable longer, more recently than thought
Warmer, wetter conditions lasted until 3.5 billion years ago on the Red Planet.
- Astronomy
Saturn’s six-sided cloud pattern gets a close look
New images show particles in the planet’s hexagonally shaped jet stream.
