THE birefringence of many organic crystals of the aromatic class is large, and when the intermediate index differs widely from the upper and lower indexes, the angles of internal and external conical ...

Sutak Kaal for the Chandra Grahan has begun, signaling the start of religious observances ahead of the lunar eclipse. Follow ...

Chimpanzees can pick out crystals from a pile of ordinary rocks, handle them with visible care, and even hold them up to peer through like tiny windows, according to a peer-reviewed study that tested ...

Editor’s Note: To the writing of his detective stories RAYMOND CHANDLER brings the broad experience and the skepticism of a newspaper reporter, A master of dialogue, he has created in his character, ...

Tonight, 03 March 2026, India watches the last total lunar eclipse until 2029 as the Moon turns deep red. Why is this brief Blood Moon such a rare and unmissable spectacle?

In the 25 years since the first enclosure of eight people inside Biosphere 2 came to an end, Columbia University and now the University of Arizona have tried to rebrand the unique space as a tool for ...