Asteroids
Bigger Risks from Smaller Asteroids?
When astronomers first made the connection between asteroid impacts and extinction events on Earth, it was kind of frightening. There…
Oops, That Isn’t an Asteroid, it’s Rosetta
Remember when I mentioned that ESA's Rosetta was inbound to make a flyby of the Earth on November 13th? Well,…
Tunguska Meteoroid’s Cousins Found?
It's a cosmic whodunit: a meteorite exploded in the air near a remote part of Russia called Tunguska in 1908,…
Undergrad Team Discovers 1,300 Asteroids
A team of undergrad astronomers at the University of Washington figured out how to turn an annoyance into a major…
Dawn is Gone
The big day arrived, and nothing could keep that spacecraft on the ground. At 7:34 am EDT NASA's Dawn spacecraft…
Tether to Keep Asteroid Explorers Grounded
Here on Earth, gravity keeps us firmly on solid ground. But when astronauts set foot on some of the more…
Podcast: Asteroid Belt
In the last few weeks we've had many emails saying that our tour of the solar system would not be…
Learning How to Stop Dangerous Asteroids
You know the cliche: it's not a question of if an asteroid will strike the Earth, it's a question of…
Dawn is on the Launch Pad
Despite delays and near cancellation, NASA's Dawn spacecraft is now on the launch pad, all ready to begin its mission…
The Triangle that Skimmed Past the Earth: Asteroid 2002 NY40
In August 2002, a bizarre looking asteroid made its closest approach to the Earth, skimming only 540,000 km above the…