Parts of the universe may be expanding faster than others

One of the core components of cosmology is the understanding that the universe is expanding evenly in all directions. It was predicted by theory decades ago, and supported by measurements of the cosmic microwave background. But new X-ray observations n… Continue reading Parts of the universe may be expanding faster than others

Lights out: Island of Niue becomes world’s first “dark sky” nation

As the world becomes a busier place and and we send more things into orbit, night skies uncontaminated by light pollution aren’t as common as they once were. The International Dark-Sky Association is a non-profit organization dedicated to safeguarding … Continue reading Lights out: Island of Niue becomes world’s first “dark sky” nation

DIY Radio Telescopes Hack Chat

Join us on Wednesday, February 12 at noon Pacific for the DIY Radio Telescopes Hack Chat with James Aguirre!

For most of history, astronomers were privy to the goings-on in the universe only in a very narrow slice of the electromagnetic spectrum. We had no idea that a vibrant and …read more

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Atomic experiment to detect dark energy fails to feel the force

The universe is generally believed to be expanding at an accelerating rate, thanks to a mysterious force dubbed dark energy. But how exactly does this force work? Researchers in the UK have conducted an experiment to test a hypothesis that th… Continue reading Atomic experiment to detect dark energy fails to feel the force

Did dark matter arise before the Big Bang?

Few things are as mysterious as dark matter, the strange substance that appears to outnumber ordinary matter by a ratio of five to one. Now, a physicist from Johns Hopkins University has outlined a new theory that helps to explain the stuff b… Continue reading Did dark matter arise before the Big Bang?

Map of nothing: Astronomers size up the vast void next door to the Milky Way

Our home galaxy is right on the border of a void so vast it’s hard to picture. To get a better idea of its shape and size, a team of astronomers has mapped out the edges of this extragalactic emptiness, and calculated just how much gravitatio… Continue reading Map of nothing: Astronomers size up the vast void next door to the Milky Way