Along with the recent landing of Perseverance, humans have already sent five robots to study the surface of the red planet. What has become of them? We review them.
Mars has provided answers to some of the great enigmas of science, having a profound impact on culture and decisively driving the advancement of science. The next few decades will be crucial for its exploration.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
