WASHINGTON (Reuters) -In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the horizon on his desert planet Tatooine. Astronomers since ...

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an object that is orbiting a star at a distance, they would often assume it ...

Astronomers have detected a new faint companion to the star HD 3651, already known to host a planet. This companion, a brown dwarf, is the faintest known companion of an exoplanet host star imaged ...

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have for the first time found that the outer region of a dusty disk encircling a brown dwarf contains millimeter-sized solid ...

An artist’s conception of the nearby brown dwarf WISE J085510.83, whose frosty temperatures are similar to those found at Earth’s North Pole. Credit: Penn State ...

Breathe. Breathe. I repeated these words to myself like a mantra. At 18,400 feet, my body was craving oxygen, and I had to concentrate on pulling enough air into my lungs. I was on the summit of Cerro ...