The habitability of a planet depends on many factors. One is the existence of a strong and long-lived magnetic field. These fields are generated thousands of kilometers below the planet's surface in its liquid core and extend ...
Space Exploration
Oct 15, 2020
2
54
How did life begin? This is one of the most fundamental questions scientists puzzle over. To address it, they have to look not just back to the primordial Earth, but out into space. Now, scientists propose in the Journal ...
Biochemistry
Feb 3, 2016
0
53
When humans finally blast off for another world, where will we be going? Will we return to the moon, and take over where the Apollo astronauts left off, or will we press onto Mars, and set foot on a whole new planet?
Space Exploration
Dec 4, 2015
15
38
