The early announcement tees up what is likely to be a crowded primary field angling for the seat held by Republican Sen. John Cornyn.

The first-time candidate had been overshadowed by fellow Democrats James Talarico and Colin Allred in the statewide campaign.

Virts withdrew from his longshot bid for the Democratic nomination for the U.S. Senate seat now held by Republican John Cornyn. Instead, he's running for Texas' 9th Congressional District.

In this episode of Space Minds, host David Ariosto speaks with Terry Hart, former NASA astronaut and mission specialist on the Space Shuttle Challenger. Hart reflects on the triumphs of early shuttle missions,

China's Shenzhou-21 space rocket and its crew including the youngest member of its astronaut corps blasted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in northwest China,

Anca Faur Aldrin, wife of astronaut Buzz Aldrin and the executive vice president of Buzz Aldrin Ventures, died Tuesday after a private battle with cancer.

The coming mission will mark the first international astronaut participation in China's space station program.

China’s Shenzhou-21 space rocket and its crew including the youngest member of its astronaut corps blasted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in northwest China,

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 aiming to be the first western movie to send a filmmaker into orbit to capture a scene.