This illustration depicts a planet partially hidden in the glare of its host star and a nearby companion star. After examining a number of binary stars, astronomers have concluded that Earth-sized planets in many two-star systems might be going unnoticed by transit searches, which look for changes in the light […]

Artist’s impression of the surface of Gliese 486b. Credit: RenderArea  ANIMATION MAROON-X instrument built by University of Chicago team measures its first planet. In the past two decades, scientists have discovered more and more planets orbiting distant stars—but in some sense, they’re still just dots on a map. “It’s kind […]

The enigmatic CK Vulpeculae nebula. The team of astronomers measured the speeds and changes in positions of the two small reddish arcs about 1/4 of the way up from the bottom and 1/4 of the way down from the top to help determine that the nebula is expanding five times […]