In a recent opinion article, marine scientists and electrochemists listed a number of reasons why it's unlikely that metallic ...
Fossils found in Niger belong to a newly identified Spinosaurus species that had a dramatic skull crest and likely hunted fish by wading, researchers reported.
There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results