The Planck Satellite Discovers Extra Dark Matter In the Universe

This week, the Planck Satellite team announced major findings from over a year of observations of the Cosmic Microwave Background (CMB), or the radioactive sludge that lingers in our universe from the beginning of time, right after the Big Bang. And while there's a lot to digest, I wanted to give you some high… »3/22/13 10:00am3/22/13 10:00am

The existence of helium is evidence for the Big Bang

When people talk about evidence for the Big Bang, they're most likely to point to the Cosmic Microwave Background. But there's another major piece of evidence that the Big Bang happened, and it involves the element that makes your voice squeaky. This is the story of how helium can show that the universe had a definite… »8/13/12 2:04pm8/13/12 2:04pm

Astronomers may have discovered the oldest galaxy in the Universe

A team of Japanese astronomers claims to have used the Subaru and Keck telescopes at Hawaii's Mauna Kea, pictured above, to observe a galaxy 12.91 billion light years from Earth. If their findings are correct (and the majority of astronomers thus far agree they are), it could well be the oldest galaxy ever discovered. »6/13/12 5:40pm6/13/12 5:40pm