Mars's two distinct hemispheres caused by mantle convection not giant impacts, study claims
Mars has northern and southern hemispheres like Earth, but their defining characteristics are markedly different, a ...
Why is one half of Mars so different to the other? ‘Marsquakes’ may have just revealed the answer
The ‘Martian dichotomy’ is one of the Solar System’s greatest mysteries – but new research in closing in on a solution.
Scientists observe and control ultrafast surface waves on graphene
Imagine standing by a lake and throwing a stone into the water. Waves spread out in circular patterns and can reflect at ...
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Alphabet Inc. Cl A
The company is facing pressure on two fronts—the government and a host of new AI-powered search rivals. It has the capacity to meet both challenges and continue to prosper.