Watch live! Astronauts taking spacewalk to replace ISS batteries
A tiny satellite studying alien worlds may be gone for good, but during the two years the spacecraft operated, it laid the foundation for what may become a new way of finding exoplanets.
The waning crescent moon will form a triangle with the Red Planet and the bright star Antares in the morning sky on Monday (Jan. 20), and you can catch the trio in the morning sky before dawn.
Here's a guide to all the rocket launches and astronomical events in 2020, as well as milestones for space missions, anniversaries and conferences.
Fans of Captain Malcolm Reynolds in the science fiction TV show "Firefly" now have a glimpse of his family history — in comic form.
Browncoats, it's finally here — the next chapter of the Unification War of the "Firefly" sci-fi franchise in a new comic from creator Joss Whedon and others.