Europe's Rosetta space craft has sent back its first images of the side of Comet 67P/Churyumov-Gerasimenko that faces away from the sun. On Wednesday European scientists hope to make history by deploying a 110-kg. laboratory called Philos, from Rosetta to the comet's surface.
Scientists have discovered that an odd near-infrared halo between galaxies is likely a vast population of orphan stars ripped from galaxies. The findings could help scientists account for the universe's 'missing' matter.
Gargantua, the black hole at the center of the 'Interstellar' film plot, is a pretty accurate representation of the densely-packed spheres with unbelievable gravitational pull, according to physicist and black hole expert Charles Misner.