SpaceX astronaut Jared Isaacman said frequent space travel is "around the corner." How humans will survive off-world is ...

Severe geomagnetic storm sparks stunning northern lights across US (photos) In this photo ... Polaris Dawn mission commander, and Sarah Gillis, mission specialist, took turns testing the mobility ...

University of Colorado Boulder alum Sarah Gillis returned to Boulder on Monday after a space mission where she participated in the first-ever commercial spacewalk and became the first person to play a ...

One of the two photos shows the four Polaris Dawn astronauts — commander Isaacman, pilot Scott "Kidd" Poteet and mission ...

Astronaut and University of Colorado Boulder alum Sarah Gillis will speak at CU Boulder from 3:30 to 5 p.m. Monday at Fiske Planetarium, 2414 Regent Drive. Gillis flew to space this summer and ...

After an amazing orbital flight, billionaire-pilot Jared Isaacman says he aims to safeguard human civilization by spreading ...

Getty Images Polaris Dawn has a four-person crew. Left to right: Anna Menon, Sarah Gillis, Scott Poteet, and Jared Isaacman The walk, originally scheduled for 07:23BST, was postponed early on ...

Apu Gomes/Getty Images A firefighter battles the flames ... The billionaire, along with engineer Sarah Gillis, became the first non-professional crew to perform one of the riskiest manoeuvres ...

(Photo by Gregg Newton / AFP) (Photo by GREGG NEWTON/AFP via Getty Images) The idea is that Hubble ... who is financing the mission and Sarah Gillis, lead space operations engineer, SpaceX.

By Eric Lipton First Images of the Sun’s Flares Released ... Jared Isaacman, the billionaire leading the Polaris Dawn mission, and Sarah Gillis, a SpaceX engineer, exited and re-entered their ...

University of Colorado Boulder alum Sarah Gillis returned to Boulder on Monday after a space mission where she participated in the first-ever commercial spacewalk and became the first person to ...