SpaceAlien life could spread between solar systems on interstellar rocks Researchers have calculated that living organisms may be able to hitch a ride aboard interstellar rocks to spread not only between planets, but across the galaxy News
SpaceOur understanding of the universe's expansion is really wrong Last week, the Gaia spacecraft released the best 3D map of our galaxy, which revealed scars in the Milky Way and deepened confusion about how fast the cosmos is expanding News