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A 2017 satellite photo shows the stark contrast along the boundary between a giant field of golden "star dunes" and a barren rocky wilderness in the Sahara, which overlaps with an international border.

Thousands of scientific papers are retracted every year because of fraudulent activity, with both authors and journals gaming a system to gain academic acclaim through deceit, dishonesty and false representation.

The world's oldest DNA comes from a 2.4 million-year-old ecosystem in Greenland. Will scientists eventually sequence even older DNA?

By using something called a quantum grid, scientists have found a clever way to simultaneously measure momentum and position without violating Heisenberg's uncertainty principle.

Alexander Fleming was doing experiments with bacteria when he woke up to a strange mold growing in his petri dish. The "mold juice" would usher in the first antibiotic, penicillin, and would revolutionize medical care for bacterial infections.

Archaeologists have found an extraordinary cluster of Stone Age artifacts that may have been the personal gear of a single prehistoric individual.

The James Webb Space Telescope has uncovered dazzling newborn stars and thick cosmic dust in Sagittarius B2, the Milky Way's most enormous star-forming cloud.

Does every fig you eat really have a dead wasp inside?

On Sept. 27, 1822, French philologist Jean-François Champollion announced that he had deciphered ancient Egyptian hieroglyphics, using the Rosetta stone. This ushered in a new craze for Egyptology and helped us understand one of the world's longest-running civilizations.