Expert Voices

In the 40 years since the original “Star Wars” film premiered, the franchise has been a pop culture powerhouse.

Depends how you define consciousness.

Six people recently returned from an eight-month long isolation experiment to test human endurance for long-term space missions.

You don't need to build a rocket, like "Mad" Mike Hughes, to prove the Earth isn't flat – here's the simple science.

This is a great question. If any of the students of class 3E get the opportunity to fly in space, just slap on an anti-nausea skin patch and go for it!

The surface of Mars, with its dune flows, gullies and slope movements, is the result of sediment being transported downwards in the recent past as well as today.

Despite very considerable successes, there remains much more to be learned. And in some ways, the discoveries made in recent decades have raised as many new questions as they have answered.

The short answer is that most satellites don't come back to Earth at all. Most of them burn to a crisp before they get anywhere near the ground.

This challenges the history of astronomy and tells us that Aboriginal Australians were even more careful observers of the night sky than they have been given credit for.

Producers and directors may think that science is only exciting when it is science fiction, but the truth is almost always stranger (and more interesting) than fiction.

Everything in the universe eventually comes to an end. Even stars.

Magnetic fields get short shrift. Nobody pays attention to them.

Art and science are often seen as complete opposites: art is subjective, while science aims to discover objective facts about nature.

Star Trek is set in space. At its very heart, it aims to be a story of exploration, of advancing knowledge, of science.