What Men Really Need To Know About  Testosterone Replacement Therapy

One of the fastest growing areas in pharmacology today is testosterone supplementation in men. But while low-T is a genuine problem for some men, it's not as prevalent as you may think – and the treatment is not without its risks. Here's what men need to know about testosterone replacement therapy, and why it should… » 2/25/15 12:00pm Wednesday 12:00pm

The Story Behind Earth's "Other" Moon And Its Completely Whacked Orbit

We all know and love the moon. We're so assured that we only have one that we don't even give it a specific name. It's just The Moon. But the moon is not the Earth's only natural satellite. Here's what you need to know about 3753 Cruithne and what its weird orbit reveals about the solar system. » 2/25/15 8:40am Wednesday 8:40am

Curiosity's Latest Wide-Angle Selfie Is Its Most Remarkable Photo Yet

Now would be a good time to update your desktop wallpaper. NASA's Curiosity Mars rover has snapped a spectacular — if not inexplicable — wide-angled self-portrait at the Mojave Site on Mount Sharp where the probe is currently drilling for samples. Here's how NASA created the extraordinary shot. » 2/25/15 6:40am Wednesday 6:40am