The Emergency Launch Abort Systems of SpaceX and Boeing Explained

If anything goes wrong when a crew of astronauts launches into space, their spacecraft always has a built-in abort system to help them return to Earth safely. But not all abort systems work the same way. In October of 2018, the Soyuz launch-abort system flawlessly brought two International Space Station-bound crewmembers back to Earth after their rocket malfunctioned. In much the same way, the new commercial crew vehicles built by SpaceX and Boeing are designed to safely separate from their rockets and float back down to Earth in case of an emergency. More

(Source: Space.com - Apr 25)