| Sep 20, 2013
| 3:08 PM
After nearly nine years in space and 4.7 billion miles traveled, NASA’s Deep Impact spacecraft has met an unexpected end after mission members lost contact with it last month. Though it was unable to complete its latest assignment, the comet-hunting...
| Sep 12, 2013
| 2:28 PM
Voyager 1, the NASA space probe that left Earth in 1977, has officially exited the solar system and is now the first manmade object to enter interstellar space. And it took with it classical music.
NASA on Thursday made the big announcement that the...
| Sep 10, 2013
| 2:00 AM
A comet looping behind the sun right now could emerge this fall as a once-in-a-lifetime spectacle that shines in the sky so brightly, it is visible with the naked eye around the world — if it survives.
Comet C/2012 S1, dubbed Comet ISON in honor...
| Sep 27, 2013
| 2:13 PM
Scientists from the Johns Hopkins University Applied Physics Laboratory are set to launch a massive balloon above the skies of New Mexico this weekend for a glimpse of Comet ISON, the rare comet on its way to looping past the sun and Earth in the coming...
| 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...
| Sep 24, 2013
| 8:48 PM
A physician who has created a new model for providing health care to those who can least afford it.
A novelist who takes readers into the swampy backwaters of the Everglades.
An astrophysicist who searches for other planets — and finds them....
| Sep 13, 2013
| 1:58 PM
You can’t spot Voyager 1 as it leaves the solar system’s heliosphere, but the National Radio Astronomy Observatory can, and did it just for kicks.
Well maybe not for kicks, but scientists were interested in how well their array of 10 radio...
| Jul 25, 2013
| 6:51 PM
NASA offered a peek of the first batch of images and physical data from its new IRIS solar observatory, the first detailed look at a little-understood layer of the sun sandwiched between the surface and glowing outer corona.
Researchers have just...
| Sep 5, 2013
| 6:48 AM
Astronomers studying dying stars' colorful cast-offs have discovered a mysterious pattern: Some planetary nebulae in the Milky Way galaxy’s central bulge are strangely aligned, according to a study to be published in Monthly Notices of the Royal...
| Jul 25, 2013
| 1:13 PM
Astronomers may have figured out why massive galaxies are so rare. A study published Wednesday in the journal Nature revealed that vigorous star formation ejects massive amounts of hydrogen and other gases from a galaxy, depriving would-be stars of the...
| Jun 10, 2013
| 5:29 PM
Astronomers have discovered a strangely tiny galaxy in the Milky Way’s neighborhood -- one with less than 1,000 stars held together by the smallest dark matter halo ever observed.
The galaxy known as Segue 2, described in the Astrophysical...