What’s behind the new US‑India Defense Pact?
The strategic implications of this agreement are far-reaching – and not just for India and the US.
Primary Results
A chunk of Chinese satellite almost hit the International Space Station. They dodged it – but the space junk problem is getting worse
A close call for the International Space Station highlights the growing problem of space junk putting satellites at risk.
Australia: well placed to join the Moon mining race … or is it?
Australia has a well-earned reputation as a mining nation. Now we’re moving towards mining ‘off world’, on the Moon.
Supermoon! Red blood lunar eclipse! It’s all happening at once, but what does that mean?
In the early morning of May 26, 2021, there will be a super blood-red lunar eclipse. The show will be spectacular and can all be explained by the orbits of the Earth and Moon.
At Antarctica’s midwinter, a look back at the frozen continent’s long history of dark behavior
Antarctica is a harsh continent, which in both history and fiction can trigger disturbing behavior and even madness.
Space is getting crowded with satellites and space junk. How do we avoid collisions?
Earth’s orbits are getting more and more crowded. To keep track of everything and avoid collisions and catastrophes, we need a new field: space domain awareness.
Cement has a climate problem — here’s how geopolymers with add‑ins like cork could help fix it
Cement is responsible for about 8% of global greenhouse gas emissions, and demand is growing. Alternatives like geopolymers can help lower the impact.
A giant piece of space junk is hurtling towards Earth. Here’s how worried you should be
China’s Long March 5B rocket, after a successful blast-off in April to deliver a space station module, is now on track to crash-land somewhere with a latitude between New York and New Zealand.
How do crystals form?
There are a lot of myths about crystals − for example, that they are magical rocks with healing powers. An earth scientist explains some of their amazing true science.
Desert dust storms carry human‑made toxic pollutants, and the health risk extends indoors
Desert dust storms are increasingly picking up materials like sewage, herbicides and other human-made waste and transporting them on tiny particles that are easy to inhale.
Secondary Results
