Dubbed ‘Earth’s seven sisters’, the rocky exoplanets could potentially harbour liquid water.
Australia is always on the move thanks to continental drift, which means the mapped coordinates of any place can get out of line with any GPS locating system. So what’s the plan to fix it?
This is what it looks like when two gas-rich spiral galaxies collide.
2017 is looking to be a spectacular year for meteor showers. So here’s what to look out for in both the northern and southern skies.
We should start building an interceptor spacecraft now.
Terry Virts has spent 200 days in space, been commander of the ISS, and taken more photos of Earth from space than any other person. He shares his photos, as well as things he’s learnt watching the world from afar.
Mercury joins Earth as the only known tectonically active planet in our Solar System.
The European Space Agency has charted more than a billion Milky Way stars – on its way to building the most detailed 3D map of our galaxy ever made.
NASA scientists have for the first time imaged the edge of the Sun, enabling them to describe the mysterious origins of Solar wind.