Hypervelocity stars are one of the discoveries we've found in interstellar space. These stars don't stay in one place but to rocket around the universe. It's busy in interstellar space! Find what else is in interstellar space in HOW THE UNIVERSE WORKS coming up at 10 p.m. EST on Science Channel and streaming on #SCIgo. | Science Channel

37K views · 405 reactions | A giant meteor, freezing over, or over-heating.... However this planet goes, we're going to need a Plan B if we want to survive. Watch 'How the Universe Works' Tuesdays at 10pm ET on Science Channel or anytime on SCI GO: https://bit.ly/2VugeCC | Science Channel | Facebook

579K views · 6.2K reactions | Does the universe have an edge? It's one of the deepest mysteries in science and scientists are probing the cosmos for answers. The search for an edge involves a journey to the deepest reaches of space, to the beginning of time and onward to infinity. #HowTheUniverseWorks | Science Channel | Facebook