Watch Live:

Science and technology

Associated Press
In this Nov. 5, 2014 photo, a person walks in front of a Yahoo sign at the company's headquarters in Sunnyvale, Calif. Yahoo reports quarterly financial results on Tuesday, Jan. 27, 2015. (AP Photo/Marcio Jose Sanchez)

View gallery

500 photos

Astronomy, meteorology, environment, archaeology, electronics, computers and gadgets

View Comments (0)