The edge of our sun's influence may appear different than expected.
Study uses reflected light to compare chemical makeup of moon and other asteroids.
Author Billings connects the dots between biology, astrophysics and more.
Researchers' new system could study other worlds with a cell phone camera.
What can antique telescopes reveal about finding exoplanets?
Evidence for a new kind of stellar explosion 7 billion years ago.
An orbiting telescope traces powerful cosmic rays from deep space back to their source.
Planets around a distant star don't all lie in the same plane.
Astronomers simulate and capture moments of elderly stars' decay.
Utah detector looks at particles a million times zippier than anything made on Earth.