Humanity has already flung machines into interstellar space, but sending people is a different problem entirely. The physics ...
Humanity has learned to fling machines to the edge of the solar system, but the stars remain stubbornly out of reach. The ...
NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...
Astronomers discovered a planetoid orbiting the sun further than any known object in the solar system. Called "Farfarout," the object orbits the sun every 1,000 years. Objects like Farfarout could ...
There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...