Putting Pluto's geology on the map

How to make sense of Pluto's surprising geological complexity? To help understand the diversity of terrain and to piece together how Pluto's surface has formed and evolved over time, mission scientists construct geological ...

Slab of Barrier Reef sea floor breaking off

A huge slab of sea floor near the Great Barrier Reef is in the early stages of collapse and could generate a tsunami when it finally breaks off, researchers warned Friday.

How many lakes are there, and how big are they?

Because of the important role lakes play in regional and local biogeochemical cycling, including carbon storage and emissions, scientists need to know how many lakes of various sizes exist. However, determining the size distribution ...

Dr. Chris Okubo discusses the most detailed geologic map of Mars

Earlier this month, the U.S. Geological Survey (USGS) released its highest-resolution geologic map of Mars. The new geologic and structural map uses the highest-resolution, orbiter-based images currently available for Mars ...

Ancient crater points to massive meteorite strike

The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite large enough to leave an eight-kilometre-wide crater, producing an explosion strong enough to destroy present-day ...

Dawn spacecraft begins new Vesta mapping orbit

(PhysOrg.com) -- NASA's Dawn spacecraft has completed a gentle spiral into its new science orbit for an even closer view of the giant asteroid Vesta. Dawn began sending science data on Sept. 29 from this new orbit, known ...

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