The European Space Agency's (ESA) Hera probe recently completed a key manoeuvre which has set it on a path to Mars. The spacecraft will reach the red planet in March 2025 for the first gravity assist.
Top candidates in this search are rocky, rather than gaseous, planets orbiting low-mass stars called M-dwarfs—easily the most common stars in the universe. One nearby M-dwarf is TRAPPIST-1 ...