Astronauts placed six different American flags on the moon during the Apollo program. What became of those flags in the years since, and why were they controversial?

The European Space Agency has released an audio-visual representation of solar activity over the last three years, using data from the Solar Orbiter probe.

Space.com's image of the day rounds up the most awe-inspiring space photos right here, with a new image everyday.

On Jan. 13, 1978, NASA selected its eighth and most diverse class of astronauts yet. The Astronaut Class of 1978, also known as the "Thirty-Five New Guys," included the first six female astronauts.