Galaxies and stars


Galactic ghosts

Wednesday, 5 June 2013

Floating, seemingly serenely, in the vastness of interstellar space are numerous ethereal clouds of gas and dust, the unearthly remains of dead and dying stars and the raw materials from which a new generation of stars and planets will be born. But don’t be fooled – their apparent beauty and tranquility belies their violent origins.

MinutePhysics Parallel Universes

The true science of parallel universes

Thursday, 18 April 2013 - 1 comment

Everybody loves the idea of a parallel universe – but is there really a place in science for such wistful speculation, asks this video from MinutePhysics?

Dark matter physics AMS COSMOS featured

First clues in search for dark matter

Thursday, 4 April 2013

A massive instrument circling the globe aboard the International Space Station has provided a first glimpse of what may be mysterious dark matter in the universe.

ESA black hole planet COSMOS Science Magazine

Black hole awakens for planet-sized snack

Wednesday, 3 April 2013

A black hole has been observed awakening from its slumber to consume a planet-sized object in a galaxy 47 million light years away, according to astrophysicists who witnessed the rare event.

Panoramic view of the WR 22 and Eta Carinae regions of the Carin

Galactic wonders

Tuesday, 29 January 2013

Spectacular, colourful images of galaxies and galactic objects taken with some of the world’s most powerful telescopes.

No stars in Star Wars hyperspace_COSMOS science magazine

No stars in ‘Star Wars’ jump into hyperspace

Monday, 14 January 2013

Remember that dazzling moment in the Star Wars movies when the Millennium Falcon goes into hyperspace and a kaleidoscope of stars streaks past the ship?

17 billion Earths Milky Way_COSMOS science magazine

’17 billion’ Earth-sized planets in Milky Way

Tuesday, 8 January 2013

The Milky Way contains at least 17 billion planets the size of Earth, and likely many more, according to a study that raises the chances of discovering a sister planet similar to ours.

Ken Freeman_COSMOS Australia science magazine

‘Mr Galaxy’ puts dark matter on the map

Wednesday, 31 October 2012 - 1 comment

Finding that galaxies are not made up of gas and stars but are mostly mysterious dark matter would have made for a great career for most scientists. For Ken Freeman, it was just the beginning.

The Milky Way is a galactic cannibal_COSMOS science magazine

The Milky Way is a galactic cannibal

Monday, 18 July 2011

A merger between the infant Milky Way and a smaller galaxy has been detected with the help of a new theoretical model, providing evidence that our galaxy is a barred-spiral galaxy.


Forget space travel: it’s just a dream

Monday, 11 April 2011 - 101 comments

The clash of two titans – physics and chemistry – are major barriers to human space travel to Mars and beyond, and may well make it impossible … at least with existing technologies.


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