Dec. 21, 2010
Here's this week's Just Ask! science query: At what point would a spacecraft approaching the sun vaporize?
Dec. 14, 2010
As a cold front settles across the Eastern seaboard, we turn wistfully to thoughts of the sun for this week's Just Ask! science post.
Dec. 7, 2010
If you expanded an atom to the size of a baseball, what would it look like? With quantum laws in play, the answer isn't as easy -- or intuitive -- as you'd think.
Nov. 30, 2010
It's time for our weekly Just Ask! feature, where experts tackle your questions on science and technology.
Nov. 24, 2010
Regarding the expanding universe which recent observations shows is accelerating: I understand that not everything is expanding, just the space between galaxies.
Nov. 15, 2010
Robert Kirshner, an astrophysicist from the Harvard-Smithsonian Center for Astrophysics, answers the question, "What is a supernova?" "A supernova explosion is something where you see a star that you hadn't seen before suddenly turn billions of times brighter than it was," Kirshner said.