An asteroid larger than a blue whale will skim past Earth on Friday at less than one-fifth the distance between our planet and the moon. The asteroid, 2018 CB, was only discovered by Nasa on Sunday and will blaze by Earth at just 39,000 miles (64,000 kilometres). It is between 50 and 130 feet (15 …

SpaceX’s Falcon Heavy rocket, the most powerful launch system on Earth, roared into the sky on Tuesday afternoon atop a pillar of smoke. The rocket’s three reusable boosters lifted the vehicle skyward, ultimately helping send Elon Musk’s personal Tesla Roadster on a journey toward Mars orbit. Musk, SpaceX’s founder, was worried that his experimental 23-story …

SpaceX is getting ready to launch its Falcon Heavy rocket. The mission — if all goes according to plan — involves the rocket’s three boosters separating, flipping, and landing back on Earth. Two of the boosters are supposed to touch down on land, while the last one should land on a drone ship in the …

Hopes the ozone layer is recovering have been dashed by new research showing it continues to decline in the most populated areas of the world. Ozone levels have shown signs of recovery around the poles since efforts in the 1980s to curb the use of damaging chemicals. But scientists have now discovered the ozone layer …

This week, two Russian astronauts set a new world record for the longest spacewalk, lasting over eight hours outside the International Space Station (ISS) This week, two Russian astronauts set a new world record for the longest spacewalk, lasting over eight hours outside the International Space Station (ISS). But in the process, the astronauts managed …