Cosmology
Massive Stars Need Their Smaller Siblings To Grow
So how do rare massive stars grow 10 to 150 times the mass of our Sun? It turns out that…
Podcast: Where is the Centre of the Universe?
There are some people – I’m not naming names – who think the universe revolves around them. In fact, for…
Pulsars are Exploding Unexpectedly and “Magnetars” Might be to Blame
Pulsars are fast-spinning, highly radiating neutron stars. Most pulsars emit radio, X-ray and gamma radiation at regular intervals (usually periods…
Dark Matter and Dark Energy… the Same Thing?
I've said it many times, but it bears repeating: regular matter only accounts for 4% of the Universe. The other…
Method to Test String Theory Proposed
What is the universe made of? While general relativity does a good job providing insights into the Big Bang and…
Will Time be Replaced by Another Space Dimension?
What if time disappeared? Yes, it sounds like a silly question - and if the cosmos sticks to the current…
Supercomputers Pitch in to Search for Missing Matter
I know, I know, you're probably getting sick of hearing this. Astronomers have no idea what 95% of the Universe…
Podcast: Questions on Inflation
It's about time for a question show again, so we'll have one last interruption to our planetary tour, to deal…
Podcast: Inflation
We interrupt this tour through the Solar System to bring you a special show to deal with one of our…
Before the Big Bang
Researchers have developed a model of a shrinking universe that existed prior to the Big Bang. Image credit: NASA. Click…