‘This sounds weak’: how the satellite hit chain can get out of control

'This sounds weak': how the satellite hit chain can get out of control

For hundreds of thousands of years, Earth’s orbit has been a vast and empty space – free from the impact of busy humans below, scurrying around on the surface of the planet. But in 1957, Soviet Union scientists achieved a historic breakthrough, sending a metal ball with four radio antennae – called Sputnik – so … Read more

Could Iran hit an oil tanker near Dubai and cause an environmental disaster?

Could Iran hit an oil tanker near Dubai and cause an environmental disaster?

A Kuwaiti oil tanker carrying millions of barrels of crude was hit near Dubai. The ship, Al Salmi, was damaged and caught fire after what Kuwaiti authorities described as an Iranian airstrike, sparking fears of an oil spill in the strategic region. What exactly happened to the Al Salmi ship? The Al Salmi, a Kuwait-flagged … Read more

We Could Be Hit By Five Building Asteroids By The End Of The Century – So What Will We Do About It?

Image of an asteroid traveling through the solar system. Credit - NASA / JPL-Caltech

It’s amazing how much a single movie can affect the cultural content of an entire topic – even a topic as serious as planetary security. The popular media always uses the 1998 movie Armageddon as a reference when talking about how we can destroy a civilization-ending asteroid. That’s despite the film’s glaring scientific flaws, not … Read more