Astronauts blasted into orbit from the U.S. for the first time in nearly a decade, three countries sent spacecraft hurtling toward Mars, and robotic explorers grabbed rocks from the moon and gravel from an asteroid for return to Earth.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/worldsspacea.jpg)
Source:
https://phys.org/news/2020-12-world-space-bright-stressful.html