A NASA spacecraft is providing new evidence of a wet underground environment on Mars that adds to an increasingly complex picture of the Red Planet's early evolution.
The Texas Gulf coast is among the most dynamic environments on Earth. Jeffrey Paine talks about the retreating coastline, and the risks and value of human activity there.
A new view of a 20,000-year old supernova remnant provides more clues to the history of this giant cloud that resembles a beloved endangered species, the Florida Manatee.
An evocative new image from ESO shows a dark cloud where new stars are forming, along with a cluster of brilliant stars that have already emerged from their dusty stellar nursery.
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