What Exploded over Russia?
"It was a meteor strike--the most powerful since the Tunguska event of 1908," says Bill Cooke of NASA's Meteoroid Environment Office.

50 Years of Robotic Planetary Exploration: David Kring, Senior Staff Scientist, Universities Space Research Association, Houston; Principal Investigator, LPI-JSC
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.

One Close Fly-by: DA14 - What We Learn from NEOs
On February 15, 2013, asteroid 2012 DA14, a 50-meter stony asteroid, will pass the Earth at a distance of about 27,680 kilometers (17,200 miles).

Possible Seismic Activity on Asteroid 2012 DA14
For eons, Earth has felt the tremors of asteroids striking our planet. From the extinction of the dinosaurs 65 million years ago to the felled forests around Tunguska in 1908, the space rocks keep coming. This week, Earth strikes back.

Asteroid DA14 Flyby Toolkit
Everything you need to know about Friday's historic asteroid flyby.

50 Years of Robotic Planetary Exploration: Julie Castillo-Rogez, Planetary Geophysicist at the Jet Propulsion Laboratory (JPL)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.

50 Years of Robotic Planetary Exploration: Mike Malin, President and Chief Scientist, Malin Space Science Systems
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.

A Possible Naked-eye Comet in March
An Oort Cloud comet could be heading our way now.

State of the Solar System
As the president prepares to give his annual State of the Union Address, we offer our own update from the ongoing exploration of our cosmic neighborhood.

Asteroid 2012 DA14 - Earth Flyby Reality Check
Small near-Earth asteroid 2012 DA14 will pass very close to Earth on February 15, so close that it will pass inside the ring of geosynchronous weather and communications satellites.