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President Trump ordered officials to remove information deemed disparaging to the United States. A review of government documents shows little guidance and striking inconsistencies.

Before humanity sent satellites, telescopes, humans and weapons into space, Robert Goddard experimented with the first liquid-fueled rocket on his aunt's farm.

A record-breaking snow drought has residents worried about much more than slushy slopes.

Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites. Some called it crazy, but it worked.

The number doctors use to demarcate hypertension keeps going down, a trend applauded by many experts, who point to studies linking high blood pressure and dementia.

An eight-week voyage to the bottom of the Earth helped the photojournalist Chang W. Lee better understand his late father.

Eleven medical organizations advised changes to preventive cardiac care that it says could markedly reduce heart attacks and strokes.

The gas, ethylene oxide, plays a crucial role in sterilizing medical devices. But long-term exposure is linked to several types of cancer and other ailments.

Proposals include transferring a supercomputer to the University of Wyoming and shifting a space weather lab to a private company.

Medicaid is now paying for health care in jails and prisons, helping smooth inmates' return to the community. Corrections and law enforcement officials say they're all for it.