The department’s inspector general found no improper political influence by officials but faulted the department’s oversight of contractors who prepared an environmental impact analysis.

The department’s inspector general found no improper political influence by officials but faulted the department’s oversight of contractors who prepared an environmental impact analysis.

The department’s inspector general found no improper political influence by officials but faulted the department’s oversight of contractors who prepared an environmental impact analysis.

Continued obstacles plague the effort to provide a reliable supply of technetium 99m, a radioisotope crucial to identifying heart and kidney disease and assisting in ... more

Researchers say they have developed a way to untangle a single genome from a large, metagenomic sample of many organisms.

Tarsiers, five-inch-tall creatures found in Southeast Asia, produce calls that are entirely in ultrasound, above the range of human hearing, researchers find.