Add Yahoo as a preferred source to see more of our stories on Google. Two of Arizona's most famous landmarks may be linked by cosmic violence: the asteroid that gouged out Meteor Crater may have also ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

Coon Butte or Barring Crater near Winslow, Arizona, is 4,150 feet wide and 575 feet deep. Subscribe to stay connected to Tucson. A subscription helps you access more of the local stories that keep you ...

Sen captured footage from space on Saturday showing the world’s largest impact craters. The satellite video offered a breathtaking view of the circular, frozen Manicouagan Reservoir, covered in snow ...

NASA’s InSight lander recorded a magnitude 4 marsquake last Christmas Eve. Scientists only later learned the cause of that quake: a meteoroid strike estimated to be one of the biggest seen on Mars ...

Two of Arizona's most famous landmarks may be linked by cosmic violence: the asteroid that gouged out Meteor Crater may have also caused the formation of an ancient lake in the Grand Canyon. This ...