NASA has disqualified one of the two proposals for a large astrophysics mission, a decision the project’s leader blames on upheaval within NASA last year.

The Energy Department and NASA on Tuesday became the latest agencies to move toward removing organized labor from their workplaces, following controversial guidance issued by the Office of Personnel ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

A 1,300-pound NASA satellite is hurtling back toward Earth, but don't worry, it's expected to fall in open waters. Van Allen Probe A, a satellite used to survey Earth's permanent radiation belts, is ...