| Apr 17, 2014
| 9:15 PM
Sifting through observations from more than 100,000 distant stars, astronomers say they have discovered the first definitive Earth-sized planet that orbits in a habitable zone where water could exist in liquid form — a necessary condition for life...
| Apr 15, 2014
| 6:30 AM
The moons that orbit Saturn may be increasing by one -- an icy, pint-sized object that astronomers have named “Peggy.”
NASA’s Cassini spacecraft has spotted evidence that a mysterious object measuring perhaps half a mile across is...
| Mar 26, 2014
| 5:29 PM
In a first, scientists have detected rings encircling an M&M-shaped asteroid known as Chariklo.
Until now, only the solar system's four gas planets — Jupiter, Neptune, Uranus and especially Saturn — were known to have rings.
"It was an...
| Mar 4, 2014
| 6:37 PM
NASA’s budget for the 2015 fiscal year wouldn’t budge much from last year under the White House’s proposal for nearly $17.5 billion, as officials reaffirmed the commitment to extending the life of the International Space Station, funding...
| Mar 13, 2014
| 5:35 PM
Earlier this month, President Barack Obama released his $3.9 trillion budget proposal for fiscal year 2015. The plan sets aside $1.28 billion for planetary exploration — an amount one elected official is calling a far cry from what will be...
| Mar 16, 2014
| 3:00 PM
The largest lunar impact ever caught on camera took place last Sept. 11, when a small asteroid 2 to 4.5 feet in length slammed into our moon's pockmarked surface at 37,900 mph.
The resulting explosion caused a flash of light that briefly burned as...
| Feb 1, 2014
| 9:05 PM
FREDERICK, Md. — Roscoe Bartlett was rattling off the prices of giant bags of rice, wheat and corn, sold cheaply at Sam's Club. The former congressman from rural, western Maryland expressed bewilderment that every American doesn't stockpile such...
| Feb 4, 2014
| 7:02 PM
Imagine a planet that wobbles so wildly that its seasons are constantly shifting and its constellations speed across the sky. Astronomers using data from the planet-hunting Kepler Space Telescope have found just such a weird world, twirling like a top...
| Feb 18, 2014
| 4:35 PM
An asteroid the length of three football fields has eluded astronomers once again.
"If we see it, that will be historic because we've reacquired a potentially hazardous asteroid," astronomer Bob Berman said Monday night. "If it turns out we can't see...
| 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...