NASA's EZIE (Electrojet Zeeman Imaging Explorer) mission has taken its first measurements.

The detection of dark matter, an elusive form of matter believed to account for most of the universe's mass, remains a ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

These were the curved, self-powered treadmills I had heard about—models include the Woodway Curve Trainer, Trueform Runner, and Technogym SkillMill. I climbed aboard. Because this type of ...