A preview of NASA's latest issue of "Astrobiology," their fun ongoing graphic novel series

Astronomers have determined that the Milky Way's outer halo is filled with "magnetic donuts" that are as wide as 100,000 light-years. The discovery could shed light on how cosmic magnetic fields form and evolve.

Astronomers have discovered an Earth-size planet orbiting a red dwarf star, making just the second planetary system seen around one of these tiny, cool, dim, but common, stars.

The Hubble Space Telescope recently imaged an actively star-forming galaxy named UGC 9684.

NASA's plan to build a train track on the moon is part of the agency's Innovative Advanced Concepts program, which aims to develop "science fiction-like" projects for future space exploration.

The Ingenuity Mars helicopter's flying days may be over, but its influence will be felt far into the future.