Carolyn Collins Petersen
Red Supergiant Stars Bubble and Froth so Much That Their Position in the Sky Seems to Dance Around
Making a 3D map of our galaxy would be easier if some stars behaved long enough to get good distances…
A Dying Star’s Last Act was to Destroy all Its Planets
When white dwarfs go wild, their planets suffer through the resulting chaos. The evidence shows up later in and around…
Curiosity Finds Life-Crucial Carbon in Mars Rocks
We are carbon-based life forms. That means the basis for the chemical compounds that forms our life is the element…
See a Stunning New Picture of the Tarantula Nebula
When it comes to exciting places to look in the sky, the Tarantula Nebula is hard to beat. It's got…
Andromeda Tore Apart and Consumed a Neighbor Galaxy
Things may seem quiet and peaceful in the Andromeda Galaxy when you gaze at it in the sky. However, if…
A New Technique Finds a Bundle of Brown Dwarfs
Astronomers have a brown dwarf problem. They should be seeing a lot more of these objects, which are cooler than…
Cosmic Dawn Ended 1.1 Billion Years After the Big Bang
We're all familiar with the famous opening of the TV show "The Big Bang Theory". It's a song that begins…
Ingenuity has Lost its Sense of Direction, but It’ll Keep on Flying
Things are getting challenging for the Ingenuity helicopter on Mars. The latest news from Håvard Grip, its chief pilot, is…
Astronomers Find 116,000 New Variable Stars
What do two guys from Ohio, the GAIA mission, a worldwide network of ground-based telescopes, machine learning, and citizen scientists…
Why are Uranus and Neptune Different Colors? Haze
Way back in the late 1980s, the Voyager 2 spacecraft visited Uranus and Neptune. During the flybys, we got to…