Primordial Gravitational Waves Continue to Elude Astronomers

New observations put further constraints on primordial gravitational waves, but still haven't found them yet.

1 year ago

Astronomy Cast Bonus Episode: Dust with Dr. Paul Sutter

Download MP3 Recorded during the Astrotour to Costa Rica, Fraser talks to Dr. Paul Matt Sutter about the nature of…

4 years ago

What Was Cosmic Inflation? The Quest to Understand the Earliest Universe

The Big Bang was a tremendous theory, but it had a few problems. In 1980 Alan Guth developed the revolutionary…

6 years ago

How We’ve ‘Morphed’ From “Starry Night” to Planck’s View of the BICEP2 Field

From the vantage point of a window in an insane asylum, Vincent van Gogh painted one of the most noted…

8 years ago

It Turns Out Primordial Gravitational Waves Weren’t Found

Last March, international researchers from the Background Imaging of Cosmic Extragalactic Polarization (BICEP2) telescope at the South Pole claimed that…

8 years ago

What Came Before the Big Bang?

Astronomers are pretty sure what happened after the Big Bang, but what came before? What are the leading theories for…

8 years ago

Higgs Boson Threatened The Early Universe, But Gravity Saved The Day

All the physical properties of our Universe -┬áindeed, the fact that we even exist within a Universe that we can…

8 years ago

New Results from Planck: It Doesn’t Look Good For BICEP2

One of the recent sagas in cosmology began with the BICEP2 press conference announcing evidence of early cosmic inflation. There…

8 years ago

Has the Cosmology Standard Model become a Rube Goldberg Device?

This week at the Royal Astronomical Society's National Astronomy Meeting in the UK, physicists are challenging the evidence for the…

8 years ago

Are the BICEP2 Results Invalid? Probably Not.

Recently rumors have been flying that the BICEP2 results┬áregarding the cosmic inflationary period may be invalid. It all started with…

9 years ago