Cosmology
Two New Online Astronomy Courses from CosmoQuest
Want to learn more about our Universe or refresh your astronomical knowledge? Cosmoquest has two new online astronomy classes, and…
‘Green Peas’ Offer Tiny Clues to Early Universe
Today, we see an unobstructed view of the cosmos in all directions. But, a time existed near the Big Bang…
Are Our Textbooks Wrong? Astronomers Clash Over Hubble’s Legacy
“No scientific discovery is named after its discoverer," - Stigler/Merton. Edwin Hubble's contributions to astronomy earned him the honor of having…
Wrapping Around The Mystery Of Spiral Galaxy Arms
How disk galaxies form their spiral arms have been puzzling astrophysicists for almost as long as they have been observing…
Watch Live Webcast: Witnessing Starbursts in the Early Universe
Recently, a multinational team of astronomers found that massive, "dusty" galaxies were churning out stars much earlier than previously believed…
Meet Hopper: A Key Player in the Planck Discovery Story
Behind every modern tale of cosmological discovery is the supercomputer that made it possible. Such was the case with the…
Planck’s Cosmic Map Reveals Universe Older, Expanding More Slowly
Like archaeologists sifting through the dust of ancient civilizations, scientists with the ESA Planck mission today showed a map of…
ALMA Eyes Most Distant Star-forming Galaxy
Let's turn down the lights and set the stage... We're moving off through space, looking not only at distant galaxies,…
Nearby Ancient Star is Almost as Old as the Universe
A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is…
Watch a Million Particles Collide
What happens when you give 1,000,000 particles their own gravity and spring repulsion and send them out to play? Watch…