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The sun has been in a relatively quiet period in recent years -- but astronomers say that's going to change soon.
New research suggests that the solar wind is weaker now than it has been in the past. What does that mean, and why does it matter?
A series of journal articles published this week draw a new picture of our solar system's heliosphere, the bubble carved out in the interstellar medium by the solar wind.
Voyager chief scientist Ed Stone discusses Voyager’s discoveries about the edge of the solar system.
Astronomers have found multiple planets orbiting a double star system.
Doctor Jordan Metzl says specific cardio and strength training regimens can trea...
Exercise scientists Tamara Hew-Butler and Greg Whyte talk about how the body cha...
Can regular mental exercise help slow down the progress of dementia?
Can exercise help keep aging brains healthy?
New York Times science writer William Broad’s book investigates popular health c...
Could popping a pill turn a couch potato into a long-distance runner?