WATCH LIVE: NASA commander Scott Kelly discusses his one-year space mission

NASA TV will live stream Friday’s news conference with astronaut Scott Kelly at 2 p.m. EST

At 2 p.m. EST today, astronaut Scott Kelly will be live from NASA’s Johnson Space Center in Houston, where he will share his personal perspective on the 340-day mission in space. He will be joined by second lady of the United States Dr. Jill Biden, assistant to the President for Science and Technology Dr. John P. Holdren, NASA administrator Charles Bolden, and his twin brother and former astronaut Mark, who was the second half of a yearlong investigation by NASA that is looking at the health effects of long-term spaceflight.

The study, one of two covering the one-year mission, will offer insights into how to prep for a possible future trip to Mars. A press conference at 1 p.m. EST will key members from NASA’s scientific community who will discuss the mission’s accomplishments and what’s next for the more than 400 experiments that happened during Kelly’s year in space.

Kelly returned from his journey aboard the International Space Station on Tuesday in Kazakhstan inside a Russian Soyuz landing capsule.

Today is busy for Kelly, who is now the U.S. record holder for time in space. Kelly is also hosting a Reddit AMA at 11 a.m. EST and a Facebook livestream at 1:30 p.m. EST.