Aerospace

Scientists find a new way to detect space junk orbiting Earth
DEF CON hackers compete to hijack a satellite in orbit
A sunblock to save Martian explorers from radiation in space
See prototype of Mars-bound Starship take its first “hop”
Tracking the Crew Dragon: Return to Earth
How to watch the Mars 2020 rover launch
Meet NASA's autonomous vehicle — for Mars
What a simulated Mars mission can teach you about life
China Mars mission joins Emirates, with U.S. to follow
VR experience aims to change people’s perspective of Earth