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 ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

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

A team led by astronomers at Leiden University in the Netherlands and the National Radio Astronomy Observatory in Virginia (U ...

NASA’s James Webb Space Telescope has spotted an “abnormal, chaotic, and strange" planetary system 60 light-years from Earth.

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 ...

A new mission to test a solar umbrella could help reduce rising temperatures on Earth, but scientists have to get it to space ...

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

Volcanoes on Mars might be more widespread than previously thought, and this has an impact on the planet's past habitability.

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