Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.
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.
In this month's Science Diction, we look at the origins of the word 'comet.'
The comet ISON, discovered by two amateur astronomers last year, will zoom past ...
The European Space Agency’s Philae lander is the first probe to touch down on a ...
The Rosetta spacecraft has detected the scent of a comet...and it stinks.
As Comet ISON skirts the sun, it could be destroyed—or emerge, even more spectac...
\tIn 2011, comet Lovejoy traveled through the sun’s corona and lived to tell the tale. But its tail was the most telling. Reporting in the journal Science, Cooper Downs, an astrophysicist at Predictive Science Inc. in San Diego, Calif., says that the wiggly path of the comet’s tail helps explain the sun’s magnetic field. \t