Scientists have discovered a “record-breaking” asteroid that is nearly the size of eight football fields. The object, known ...

There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and closed-loop systems and the hazards of space radiation. The discovery of a new ...

Its behaviour has raised questions that range from scientific uncertainty to speculation about extraterrestrial origins. Elon Musk is among those voicing concern as researchers try to understand what ...