Sussan Ley says Australia Day is a day of celebration, likening the arrival of the British First Fleet to Elon Musk's efforts ...

Trump says we're going to Mars. He may be making it harder to get there. President Donald Trump says we’re going to Mars, but ...

Deputy opposition leader Sussan Ley praised Australia's colonial history as a successful "experiment" while criticising ...

Peter Dutton’s second-in-command has made a curious comparison during an Australia Day speech in her electorate.

In the quest to explore the cosmos, NASA's latest breakthrough in thermal propulsion fuel could redefine our journey to Mars.

From celebrations large and small, to the thousands who became new citizens and tens of thousands of others who rallied for ...