The mounds are made up of layered deposits containing clay minerals, formed through the interaction of water with rock over millions of years. These clay layers are sandwiched between older ...

Thousands of hills and mounds on Mars have been found to contain layers of clay minerals, which formed when running water interacted with the rocks during a period when Mars' northern reaches were ...

TONDABAYASHI, Osaka Prefecture--In a rare find, researchers unearthed various “haniwa” (clay figures) in the shapes of humans, animals and houses from a newly discovered kofun burial mound ...

Three teenage boys playing on the bank of a dry river were buried alive when a mound of clay caved in on them near Khavda village in Bhuj tehsil of Gujarat's Kutch district, an official said on Monday ...

Mysterious mounds on Mars were formed by ancient water, says a British study. Thousands of mounds and hills in the Red Planet's barren northern plains are full of clay minerals, providing evidence ...

SAKAI--Researchers got an almost unheard of chance March 7 to step foot atop an imposing keyhole-shaped imperial burial mound ...