space travel

Astronaut Scott Kelly reacts after returning to Earth after nearly one year aboard the International Space Station.

National

After A Year In Space, Astronaut Scott Kelly To Retire In April

7:07pm March 11, 2016

by Laura Wagner

Recently returned from a historic 340-day off-planet mission, Kelly announced Friday he will retire from NASA on April 1, but still continue to participate in research related to his experiment.

Mars, anyone? Six researchers from the Mars Society sport their best space duds during this 2014 simulation of the conditions that explorers of the Red Planet might face. (From left) Ian Silversides, Anastasiya Stepanova, Alexandre Mangeot and Claude-Mich

National
Science
Economy

Are Humans Really Headed To Mars Anytime Soon?

9:15am March 17, 2015

by Nell Greenfieldboyce

Public passion is all well and good, but it will take more than big talk to get to Mars by 2025, space specialists say. Even several rockets' worth of cash won't easily solve the technical challenges.

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