Shannon Hall
Are we Ready for Contact?
A common criticism of science is its quick decision to experiment, without thinking about whether or not it should. While…
The Rise of Carbon Dioxide in a Single Video
I’m always amazed by the power of data visualization. In this case a video shrinks the rising levels of carbon…
Unprecedented Images of the Intergalactic Medium
An international team of astronomers has taken unprecedented images of intergalactic space — the diffuse and often invisible gas that…
NASA Seeks Ideas for Mission to Europa
Europa — a moon of Jupiter first discovered by Galileo — never ceases to surprise and amaze astronomers and amateurs…
“Fossil Galaxy” Discovered From the Early Universe
A small galaxy circling the Milky Way may be a fossil left over from the early Universe. The stars in…
‘Runaway’ Star Cluster Breaks Free from Distant Galaxy
We've discovered dozens of so-called "hypervelocity stars" — single stars that break the stellar speed limit. But today astronomers multiplied…
It’s Freezing on the Surface of this Nearby Star-like Object
Our stellar neighborhood just got a little busier ... and a little colder. A brown dwarf that's as frosty as…
Why Inflation Didn’t Get the Same Hype as the Higgs
Last month astronomers provided evidence that the universe underwent a brief but stupendous expansion at the very beginning of time.…
Why Universe Today Writes on Climate Change
Online science reporting is difficult. Never mind the incredible amount of work each story requires from interviewing scientists to meticulously…
Sobering IPCC Report: “Warming is Unequivocal”
Climate change is now affecting every continent and ocean says the latest report by the Intergovernmental Panel on Climate Change…