Oooh and ahh as America caps its 249th birthday with dazzling fireworks on the National Mall in D.C. If you don’t feel like jostling for the best viewing spots, your local PBS s ...

Asteroid 2024 YR4 currently has small chance of striking the Earth on Wednesday, Dec. 22, 2032 The space rock is between 131 feet (40 meters) to 295 feet (90 meters) or a little less than the ...

Asteroid 2024 YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.

Museum of Northern Arizona, 3101 N. Fort Valley Road, Flagstaff. 928-774-5213. 10 a.m.- June 29, 4 p.m., $25. We’re excited ...