Planetary Science
- Planetary Science
Water’s role in Martian chemistry becoming clearer
As mission nears end, Phoenix Mars Lander finds strong evidence for minerals similar to those formed on Earth by liquid water.
- Planetary Science
Saturn’s rings may not be as young as they look
Saturn's rings might be more massive, and thus older, than researchers had believed.
- Planetary Science
Racing against the Martian winter
With solid findings under its belt and the Martian summer waning, the Phoenix Mars lander perseveres in its study of the soil and sky of the planet’s arctic plain.
- Planetary Science
Cassini finds liquid ethane on Titan
After years of speculation, planetary scientists have now confirmed that Titan has at least one lake made of liquid ethane.
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- Planetary Science
Lunar liquid
A new analysis of moon rocks has revealed that the moon isn’t as bone dry as researchers had thought, whetting the appetite of scientists who seek a deeper understanding of how Earth’s only natural satellite arose and evolved.
- Astronomy
Impact may have transformed Mars
Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.
- Planetary Science
Surprise found in comet dust
Scientists find an odd mineral that could offer clues to the solar system's origins.
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- Planetary Science
Shake, shake, shake
Instrument succeeds in capturing first soil sample, allowing Mars Phoenix Lander team to begin scientific studies.
- Planetary Science
Colliding moonlets
New photos of collisions in one of Saturn’s rings provide a local lab for understanding the interactions that might shape young solar system formation.
- Planetary Science
Small exoplanet discovered
Astronomers have discovered the smallest planet known that is beyond the solar system and orbits an ordinary parent body.
