Dark energy is the term scientists use to describe the cause of the accelerated expansion of the universe. Find out how a new analysis provides its most precise measurement yet.
Tag: Supernova
Pulsar and Neutron Star Offer Clues to Cosmic Enigmas
A pulsar and a neutron star with a huge size difference have been discovered in a binary star system. Find out why this could unlock the mysteries of the cosmos. (4:30 min reading time)
Measuring Dark Energy Just Got Way More Precise
Measuring dark energy has always relied on supernovas. Find out about a more accurate technique and how it sheds light on this and other mysteries. (4:30 read time)
Are We Inside A Hubble Bubble?
When we measure the rate at which the universe expands, our two answers don't match. One scientist says its because we're in a Hubble Bubble. Find out more. (4:00 min read)
Betelgeuse Dimming but Not Ready to Blow
Betelgeuse was dimming over the holidays, leading stargazers to speculate about a supernova. Find out why none of us will live to see it. (3:30 min read)
Where Do Heavy Metals Come From? (Not Ozzy Osborne!)
​Learn what researchers have discovered about the origins of the heavy chemical elements thoughout the universe and here on earth.