Science Friday Initiative
Science Friday: Nasa's Dawn Spacecraft Closes in on Its Target
The spacecraft will soon enter orbit around Vesta, an asteroid the size of Arizona, to study it.
Science Friday Initiative
Science Friday: Tracking Near Earth Objects
The US spends $4 million each year to search for comets or asteroids that could threaten the planet. That's not enough to get the job done, according to a new report from the National Research Council.
Science Friday Initiative
Science Friday: A Trojan Asteroid Keeps Earth Company
Listen as scientist discuss that the moon is not the only body in space following Earth's path. Learn how planet Earth has a new found neighbor, an asteroid that shares our orbit around the sun. [17:30]
California Academy of Sciences
Ca Academy of Sciences: Asteroid 2012 Da14
Asteroid 2012 DA14 comes very close to Earth on February 15, 2013. [2:28]
CGP Grey
Cgp Grey: Grey Explains: Is Pluto a Planet?
Discusses the history of astronomy and how scientists grouped disparate bodies as planets, and why Pluto is no longer considered a planet. [4:45]
Science Friday Initiative
Science Friday: Pulsar Pulverizes Incoming Asteroids
A pulsar 37,000 light-years from Earth collided with a billion-ton asteroid.
Science Friday Initiative
Science Friday: Space Telescope Reawakened for an Asteroid Hunt
NASA will give the dormant WISE space telescope a new task, enlisting it in the hunt for near-Earth asteroids.
Science Friday Initiative
Science Friday: For Asteroid Ideas, Nasa Looks to the Crowd
When NASA asked the public for ideas on tracking and exploring asteroids, the agency received more than 400 ideas. [11 mins. 49 secs.]
Science Friday Initiative
Science Friday: Russia Meteor Renews Focus on Asteroid Threats
Astronomers weigh in on how to keep the planet safe from near-Earth objects.
Science Friday Initiative
Science Friday: Mining Quarries Millions of Miles From Earth
A company aims to expand the world's natural resource base by mining asteroids.
Bozeman Science
Bozeman Science: Earth & the Solar System
In this video, Paul Andersen explains the parts of the Solar System; including the planets, dwarf planets, moons and asteroids. He explains how everything orbits around the Sun and how a proper understanding of this heliocentric model...
Science Friday Initiative
Science Friday: Tracking a Space Rock's Streak Past Earth
Asteroid 2012 DA14 spans half a football field, and will whiz by the Earth a mere 17,000 miles above us--closer than many satellites.