"Last Days," which premiered Tuesday at the Sundance Film Festival, depicts the events which led missionary John Allen Chau ...

As Sussan Ley compared the First Fleet's arrival to billionaire Elon Musk's bid to explore Mars in an Australia Day speech, ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...