NASA’s JPL is struggling with issues related to budget, staffing, and poor communications, forcing the space agency to delay a highly anticipated mission to Venus. Read...

NASA wants to send a giant silver balloon to the hellish world of Venus, where the floating robot would explore the toxic Venusian atmosphere. Functional tests of a smaller prototype recently took place in a Nevada desert in preparation for this upcoming mission to the solar system’s inferno....

NASA’s DART spacecraft is on track to hit a non-threatening asteroid today at 7:14 p.m. ET, in what is an important demonstration of a planetary defense strategy. But space is hard, and DART, traveling at 15,000 miles per hour, could whiz past the 520-foot-wide object. Here’s what would happen...