Cosmology
Are There an Infinite Number of Charlies?
Charlie McDonnell is a phenomenally successful YouTube blogger, with more than 2 million subscribers. And from time to time he…
Comets Could Arise Closer To Earth, Study Suggests
There's a potential "cometary graveyard" of inactive comets in our solar system wandering between Mars and Jupiter, a new Colombian…
Watch Live Webcast: Oldest Light in the Universe from Planck
Earlier this year, a new map of the Cosmic Microwave Background from the Planck spacecraft revealed our Universe was a…
Zogg From Betelgeuse Explains Why the Universe Has No Edge
Trying to explain the topology of the Universe is really complicated... for humans. But it clearly comes naturally to Zogg…
Isotopes May One Day Aid In Planet Search
When we consider samples from the solar nebula, we think about comets and meteorites. These materials come from our solar…
Earth’s Gold Came From Colliding Stars
Are you wearing a gold ring? Or perhaps gold-plated earrings? Maybe you have some gold fillings in your teeth... for…
A Galaxy Grows Fat on Nearby Gas
If you live in the U.S. you may be enjoying a sultry summer day off in honor of Independence Day,…
An “Elemental” Explanation of Dark Matter
Atoms, string theory, dark matter, dark energy... there's an awful lot about the Universe that might make sense on paper…
Astronomers Spy Early Galaxies Caught In A Cosmic Spiderweb
Once upon a time, when the Universe was just about three billion years old, galaxies started to form. Now astronomers…
Feeling Small in the Universe?
Well, you shouldn't be. Yes, you're just one person out of over 7 billion on Earth. Yes, your lifetime --…