Sen. Mark Kelly (D-Ariz.), a former NASA astronaut, is under investigation for his participation in a short video reminding ...

A feud between President Donald Trump and a former NASA astronaut has escalated to a full-blown investigation over ...

President Trump calling out the Dem senator from Arizona may raise the question: Who is Mark Kelly? Navy captain, astronaut, ...

The Pentagon announced it is investigating Democratic Senator Mark Kelly of Arizona over possible breaches of military law.

The Pentagon says it's opening an investigation into Arizona Sen. Mark Kelly in the wake of a video of Democratic lawmakers ...

EXCLUSIVE: Former NASA astronaut Scott Kelly has joined forces with Italian producer Andrea Iervolino (Ferrari) and his Space11 Corp banner for the upcoming “romantic space drama” I See You, which is ...

Texas A&M University students digitize NASA scientist John Charles’ papers into an aerospace medicine library that's already aiding researchers.

The Pentagon has launched an investigation into what officials describe as “serious allegations of misconduct” involving Sen. Mark Kelly.

Space Station-25th Anniversary FILE - In this undated photo provided by NASA on Tuesday, March 1, 2016, astronaut Scott Kelly looks out the cupola of the International Space Station. (NASA via AP, ...

Sen. Mark Kelly (D-Ariz.) has become entangled in a rapidly escalating fight with the Trump administration this week over a video in which he and five other Democratic lawmakers advised military ...