Mars is a strange-looking planet. Its northern and southern halves take on vastly different appearances. While the north is characterized by low flat lands, the south features dramatic mountains and ...

View larger. | Cutaway view of Mars showing the interior of the planet. Researchers have discovered evidence for excess heat in Mars’ southern hemisphere, deep below the surface. Image via NASA/ ...

Researchers have discovered a thermal asymmetry deep beneath the surface across Mars' southern hemisphere. Based on gravitational measurements that provide clues to the Red Planet's interior structure ...

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