2MASS J2126 was believed to be a free-floating planet. A planet without a home star. But a team of astronomers... Read More
Two researchers. Each looking at the same star. Stephanie Sallum (a UA graduate student) and Kate Follette (former UA graduate... Read More
Seems like an easy question, right? It was, until the 1990s. Before the 1990s, a planet was defined as any... Read More
Should Pluto be a planet? Does it matter? One group of NASA scientists are emphatic. Yes on both. One month... Read More
Satellites come in all shapes and sizes. They can fit in your palm, or stretch the length of a school... Read More
Finding life isn’t as simple as finding a planetary system like our own. Dwarf stars got some love recently with... Read More
It is being described as “one of the most remarkable images ever seen at these wavelengths.” The image was captured... Read More