‘Freezing’ our bodies is the key to long-distance space travel — but can we do it?

Long-distance space travel, traveling at sub-light speeds, will require a way to make the journey with a crew of aging humans. While it’s possible to ...

How to recognize an alien when you see one

What would convince you that aliens existed? The question came up recently at a conference on astrobiology, held at Stanford University in California....

Scientists discovered a galactic ghost — but there’s nothing paranormal about it

It’s a classic Halloween tale. A group of ghost hunters visit a grand old house that is rumoured to be haunted. But after thoroughly exploring, they l...

New physics research boldly indicates ‘warp drives’ may be possible

Humans are within years of sending the first crewed mission to Mars. And then what? Maybe another 100 years from now we’ll eventually have the resourc...

Why it’s so hard to detect dangerous asteroids before they hit Earth

Earth is often in the firing line of fragments of asteroids and comets, most of which burn up tens of kilometers above our heads. But occasionally, so...

Gravity influences decision-making more than we can understand

Returning to Earth from the International Space Station, Canadian astronaut Chris Hadfield remarked how making the right decision is vital in high pre...

How a group of students discovered the sounds of solar storms

We are now truly living in the era of big data. And it’s not just companies like Facebook and YouTube that are reaping the benefits, big data is trans...

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