The US space agency marked the 30th anniversary Thursday of the explosion of the space shuttle Challenger with a pledge to remember lost astronauts as it presses on toward Mars.
A new sci-fi TV show is coming this December and it's good. Like really, REALLY good.
After 15 years of a continuous crewed presence, here are just a few of the highs and lows of humanity's most ambitious international endeavor in space.
See just how well Hubble is doing after 25 years in orbit.
Mercury and Pluto features were among the places the public helped name in the past year -- where else can we (officially) leave our cosmic mark?
There are many precious Apollo artifacts at the Smithsonian that need a little tender, loving care.
New Horizons is a lean, speedy space machine, but mission managers did tuck in nine mementos. Here a rundown of what’s aboard.
This summer marks the 20th anniversary of the excellent movie, Apollo 13 -- these are 20 things we still love about the film.
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