Research suggests lovers fit into four categories

Whether the binding glue of a pair is lust or companionship and commitment, people experiencing romantic love probably fit into one of four distinct categories of romantic lovers, according to the first-of-its-kind research ...

Viking skulls inspected with CT scans reveal severe morbidity

Sweden's Viking Age population appears to have suffered from severe oral and maxillofacial disease, sinus and ear infections, osteoarthritis, and much more. This is shown in a study from the University of Gothenburg in which ...

Curiosity rover captures colorful clouds drifting over Mars

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its Mastcam—its main set of "eyes." Taken over 16 minutes on Jan. 17 (the 4,426th Martian day, or ...

How to see rare 'planetary parade' in the sky tonight

The seven other planets in our solar system will line up in the night sky on Friday evening for a rare alignment called a "planetary parade" that will not happen again until 2040.

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