More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

Add Yahoo as a preferred source to see more of our stories on Google. No, Earth will not have "two moons until 2083," but asteroid 2025 PN7 has joined Earth's orbital path, with the tiny fleet of ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

From the deck of a ship or the window of a plane, it feels obvious that “down” points toward Earth and “up” points toward the ...