Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

What they saw was surprising: millimeter-sized dust grains—about 10,000 times larger than typical space dust—had collected in the walls of a giant cavity carved out by strong stellar winds. These ...

Space artists can sometimes stretch scientific data for a bigger visual bang. At New York's natural history museum, they ...

With the ability to scan the entire southern night sky every three days, the huge Vera C. Rubin Observatory could be about to ...

The Tianwen-2 probe has sent a self-portrait as it heads toward one of the most enigmatic objects in our space neighborhood: ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has uncovered a key piece of the puzzle in how rocky planets, such as ...

The search for life beyond Earth is a key driver of modern astronomy and planetary space science. The U.S. is building ...

The James Webb Space Telescope has observed two large planets at different stages of infancy - one with an atmosphere ...

A newly formed planet may have been discovered by astronomers after identifying what seems to be a gas giant in a ...

For now, the outer reaches of our 4.6 billion-year-old solar system ... new understanding of them and newly discovered objects pose more questions than answers. The newly unveiled candidate Planet ...