NASA’s Dawn Mission to Vesta and Ceres—the two largest asteroids orbiting the Sun in the main asteroid belt between Mars and Jupiter—is producing some remarkable results. It is the only spacecraft ever to orbit two destinations beyond Earth and the
On a daily basis, about a hundred tons of comet dust and asteroid fragments collide with the Earth. Most burn up in the atmosphere. However, a kilometer-size or larger asteroid could someday collide with the Earth, causing a global disaster.
“Biodiversity” will be the subject of a lecture on Thursday, Jan. 12, at 3:30 p.m. at the Arizona Senior Academy. Paul Hamilton, director of Reptile and Amphibian Ecology International (RAEI), will give an illustrated talk on the science of biodiversity
Humans are very wasteful of the Earth’s resources. What most of us think of as trash, however, is a small fraction of the total amount of waste, both in the United States and worldwide. Municipal waste, what we put in
Did you miss the popular “Living Beyond 100” lecture series presented by the University of Arizona’s College of Science that concluded this week (Feb. 28)? The entire six-part series will be repeated at Academy Village beginning Wednesday (March 7), sponsored
When we think of an eclipse of the sun, we naturally think of the moon covering the sun with day turning into night. Just this month, on May 20, Tucsonans were treated to an eclipse in which the moon
Daniel Apai, a foremost researcher on exoplanets and a professor at the University of Arizona, will speak about the properties of the known exoplanets and..