The Sh2-284 nebula has been imaged VLT Survey Telescope. The "region of dust and gas that’s teeming with young stars, located some 15 000 light-years away from Earth," according to the European ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

There's many dangerous places on Earth, and everywhere off Earth is downright lethal, from the emptiness of space to the airless and radiation soaked Moon to the smoldering inferno of Venus, humanity ...