SpaceX launches 49 Starlink satellites into low-Earth orbit

SpaceX launches 53 Starlink satellites on milestone 200th Falcon 9 rocket flight

Concordia University students hope to make history by launching the first student-built, liquid-fuelled rocket to cross the boundary between the Earth’s atmosphere and into outer space, known as the Kármán line

Once-in-a-lifetime green comet makes closest approach to Earth in 50,000 years today