But the word “most” is important. The ACT team’s findings agree with studies of the CMB made with instruments like the European Space Agency’s Planck telescope,…
Intriguingly, this kind of decoherence will occur anywhere there is a horizon that only allows information to travel in one direction, creating the potential…
In the early 2000s, Phil Plait wrote his first book, Bad Astronomy, which debunked conspiracy theories and fallacies, like the idea that NASA faked the moon…
A NASA X-ray instrument has provided a new view of one of astronomy’s most beautiful objects, the Crab Nebula. The Imaging X-ray Polarimetry Explorer or…
Nearly 400,000 years after the Big Bang, the primordial plasma of the infant universe cooled enough for the first atoms to coalesce, making space for the…
The cosmos seems to have a preference for things that are round. Planets and stars tend to be spheres because gravity pulls clouds of gas and dust toward the…
Night sky lovers can typically spot a smattering of a few planets, but in late March, a stunning visual takes shape when five planets line up beneath the moon…
Every year, around 1,000 Type Ia supernovas erupt in the sky. These stellar explosions brighten and then fade away in a pattern so repeatable that they’re used…