The satellite, launched 14 years ago, will make an uncontrolled re-entry Tuesday evening. NASA puts the risk of harm to anyone on Earth at "approximately 1 in 4,200." ...

NASA’s defunct Van Allen Probe A burned up over the eastern Pacific Ocean on March 11, 2026, splashing down west of the Galapagos Islands years ahead of schedule. The 1,323-pound spacecraft, which ...

Merriam-Webster defines “defunct” as “no longer living, existing, or functioning.” In Washington, a “defunct marriage” is a term for spouses who have given up any hope of salvaging the relationship, ...