Today, NASA astronauts Victor Glover and Mike Hopkins are stepping outside the International Space Station for Glover's first spacewalk, or extravehicular activity (EVA).
Watch live: NASA astronauts take a spacewalk at the International Space Station
NASA astronauts Mike Hopkins and Victor Glover are taking a spacewalk together outside the International Space Station. Read more.
Dawn Aerospace has received approval to fly a suborbital space plane from a conventional airport in New Zealand.
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On January 27, 1967, Apollo 1 astronauts Gus Grissom, Ed White and Roger Chaffee were killed during a routine preflight test. See how it happened in our "On This Day In Space" series!
The car-size Perseverance rover, the core of NASA's $2.7 billion Mars 2020 mission, will land Feb. 18, kicking off a new era of Red Planet exploration.
The CIA just turned over 2,700 pages of UFO-related material to The Black Vault, a free repository of UFO records online.
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"Resident Alien," a new, extraterrestrial murder-mystery series on Syfy, uses humor and gritty intrigue to re-invent a classic sci-fi premise and deliver an easy-to-love show.