New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

A newly identified Kuiper Belt trio, possibly only the second of its kind, could provide strong evidence that these distant ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

Scientists have discovered a potential three-body system in the Kuiper Belt, the Altjira system, challenging planet-formation theories.

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

The farthest spacecraft from Earth are shutting off instruments in interstellar space, but their mission in interstellar ...

The postponement, driven primarily by thick clouds, was the second scrub of the flight since an issue with the rocket on ...

NASA has launched the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

Multiple people familiar with the White House proposal said cuts to NASA's "Science Mission Directorate" could be as high as ...