| Feb 20, 2014
| 1:45 PM
Staring into the dramatic corpse of a dead star known as Cassiopeia A, astronomers using NASA's NuSTAR X-ray telescope have for the first time mapped out radioactive titanium in a supernova. Charting this astrophysical frontier, as described in the...
| Feb 27, 2014
| 8:28 AM
Don't call it a comeback just yet. Astronomers mourned the Kepler Space Telescope after it was crippled last year. But NASA’s planet hunter may be getting a second chance at life — with an ingenious, just-so-crazy-it-might-work plan that would...
| Aug 29, 2013
| 6:10 PM
Although most of his fellow space scientists scoffed at the idea, Jet Propulsion Laboratory scientist Bruce C. Murray insisted that a picture of a planet's surface was worth a thousand words — or at least as much as the measurements of magnetic...
| Aug 1, 2013
| 6:52 PM
Today’s Google Doodle honors a 19th century woman whose name has been stamped across the heavens -- Maria Mitchell, America’s first professional female astronomer. Today would have been her 195th birthday.
Mitchell was born in Nantucket to a...
| Jan 27, 2014
| 8:47 AM
A high school science teacher from Mundelein and a retired teacher from Long Grove were chosen by NASA to become airborne astronomy ambassadors for a program in California this spring.
In a few months, Marcella Linahan, a science teacher at Carmel...
| Jan 18, 2014
| 5:29 PM
John Dobson, a former monk and self-taught stargazer who developed a powerful, inexpensive telescope that almost anyone could build and showed thousands how to do it during five decades as one of public astronomy's most influential evangelists, has died....
| Jan 20, 2014
| 5:03 PM
Just as the sun causes a spiderweb’s near-invisible strands to glisten, a brightly shining quasar has lit up what scientists say is a massive filament of the universe’s cosmic web -- making it the first time a fragment of the web has been...
| Oct 30, 2013
| 3:32 PM
Scientists at an ambitious dark matter experiment in operation at an underground gold mine in South Dakota have discovered exactly what they thought they would: nothing. And the results have got them really excited.
After running the detector for...
| Sep 12, 2013
| 11:00 AM
After 36 years of space travel and months of heated debate among scientists, NASA confirmed Thursday that Voyager 1 has indeed left our solar system and had entered interstellar space more than a year ago.
"Voyager has boldly gone where no probe has...
| Nov 21, 2013
| 4:49 PM
Scientists have detected cosmic neutrinos, elusive subatomic particles that stream through the Earth from outside the solar system, for the first time in 25 years, a feat that could usher in a new era of astronomy.
Using technology embedded in a cubic...
| Sep 27, 2013
| 3:47 PM
Once a week, scientists at the University of Maryland, College Park and NASA aimed satellites across the solar system to where they figured the spacecraft known as Deep Impact would have drifted since seven days earlier.
They would ping it for its...