Asteroids
Astronomers Calculate Orbit and Origins of Russian Fireball
Just a week after a huge fireball streaked across the skies of the Chelyabinsk region of Russia, astronomers published a…
Russian Fireball Inspires Journey into the World of Meteorites
A little more than week ago a 7,000 ton, 50-foot (15-meter) wide meteoroid made an unexpected visit over Russia to…
European Asteroid Smasher Could Bolster Planetary Defense
Planetary Defense is a concept very few people heard of or took seriously - that is until last week’s humongous…
Infographic: What’s the Difference Between a Comet, Asteroid and Meteor?
With all the various space rocks flying by and into Earth last Friday, perhaps you’ve been wondering about the correct…
First Radar Observations of Asteroid 2012 DA14
The Jet Propulsion Laboratory has released an initial view of radar observations of asteroid 2012 DA14 generated from data obtained…
A Parting Look at 2012 DA14: Was This a Warning Shot from Space?
Just as anticipated, on Friday, Feb. 15, asteroid 2012 DA14 passed us by, zipping 27,000 kilometers (17,000 miles) above Earth's surface…
The Astronomy of Shakespeare
With all this talk lately of rocks whizzing by Earth (or crashing through the atmosphere), it's remarkable that we didn't…
Photos and Videos of Asteroid 2012 DA14 ‘Running Fast Among the Stars’
Yesterday a 50 meter (160 foot) rock passed just over 27,000 kilometers (17,000 miles) from the Earth’s surface. This big…
Airburst Explained: NASA Addresses the Russian Meteor Explosion
A small asteroid entered Earth’s atmosphere early Friday, February 15, 2013 over Chelyabinsk, Russia at about 9:20 am local Russian…
Laser-blasting System Could Vaporize Big Asteroids
The uncanny -- but unrelated -- combination of today's close flyby of Asteroid 2012 DA14 and the meteor that created…