Hexagonal structures in sediments are evidence of repeated wet and dry conditions on the Red Planet.
Space & Planets
Posted inResearch Spotlights
James Webb Space Telescope Captures Saturn’s Changing Seasons
Unprecedented images reveal how Saturn’s atmosphere is evolving as summertime winds down in its northern hemisphere.
Posted inFeatures
Uranus: Time to Boldly Go
Scientists say now is the time to unlock the secrets of Uranus and suggest a low-cost, low-risk way to do so.
Posted inFeatures
Cryovolcanism’s Song of Ice and Fire
Ocean moons of the outer solar system hint at ice volcanoes, hydrothermal vents, and the tantalizing chance of habitability.
Posted inAGU News
Oceans of Opportunity
Our solar system’s ocean worlds offer scientists intriguing instances of exotic phenomena and fresh prospects in the elusive search for planetary habitability.
Posted inNews
There and Back Again: Asteroid Samples Return to Earth
OSIRIS-REx will help reveal Bennu’s detailed carbon chemistry and history of space weathering and unlock a key piece of the solar system’s early history.
Posted inResearch Spotlights
Probing Rare Hot Plasma Flows in the Upper Atmosphere
Postmidnight flows appear to be triggered by the same mechanism that drives more frequently observed evening flows.
Posted inResearch Spotlights
Optimizing Carbonate Classification on Mars
Combining data from several of the Perseverance rover’s spectroscopic sensors offers a more accurate means to classify carbonate minerals that may hold hints of ancient life.
Posted inResearch Spotlights
Mars Has Far Fewer Minerals Than Earth Does
The development of plate tectonics and life on Earth provided avenues for mineral evolution that did not occur on Mars, resulting in relatively limited mineral diversity on the Red Planet.
Posted inNews
Astronomers May Have Spotted the Birth of a Planet
Lumps of dust are spiraling around a young star 5,000 light-years away. They could be Jupiter-like planets in the making.