How NASA Might Find Rock-Eating Microbes on Mars (SPACE.com)

SPACE.com - Signs of life on Mars may be hiding under its rocks, or perhaps hiding inside those rocks. A new study offers a simplified technique for detecting biological and pre-biotic molecules that become trapped inside minerals.

NASA searches for rock-eating Mars microbes

Signs of life on Mars may be hiding under its rocks, or perhaps hiding inside those rocks. A new study offers a simplified technique for detecting biological and pre-biotic molecules that become trapped inside minerals.

Hormone Therapy Shows Little Benefit Against Prostate Cancer (HealthDay)

HealthDay - TUESDAY, July 8 (HealthDay News) -- An increasingly common therapy used for localized prostate cancer may not bestow any survival benefits on the patient beyond those seen with a simple "wait-and-see" approach.

College-Educated Fare Better When Cancer Strikes (HealthDay)

HealthDay - TUESDAY, July 8 (HealthDay News) - Recent U.S. declines in deaths from the four most common cancers -- lung, colorectal, prostate and breast -- are primarily benefiting better educated Americans, new research from the American Cancer Society shows.

Elderly may fare worse on prostate cancer drugs

A prostate cancer study that could change how doctors treat some patients found that widely used hormone-blocking drugs did not improve survival chances for older men whose disease hadn't spread.

Study: Older prostate cancer patients may fare worse when given hormone-blocking drugs alone

A prostate cancer study that could change how doctors treat some patients found that widely used hormone-blocking drugs did not improve survival chances for older men whose disease hadn't spread.