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

NASA is delaying the launch of the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

wrote for NASA. "When viewed edge-on, this disc appears as a line." Whenever planets become visible, these events are often ...

After dusk on Friday night, seven planets are expected to align in the night sky. But you'll need binoculars or a telescope ...

"The Voyagers have been deep space rock stars since launch, and we want to keep it that way as long as possible!" ...

The NASA boffins in white coats and thick-rimmed glasses have detected new signals that show the Oort cloud - the spooky ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

Astronomers have long believed that the swirling disks of gas and dust that form planets around young stars last only about ...

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 ...

New Frontiers has played a crucial role in U.S. efforts to explore the solar system and return valuable scientific ...

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...