Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed. Led by astrophysics doctoral student Amir Siraj, the research points to a ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Jan. 10 – Jupiter at opposition and closest to the Earth for the year. Look for the brilliant planet in the eastern sky a ...

The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this ...

Astronomers photographed a baby planet, WISPIT 2b, during its formation process within a dusty ring around its star system.

"Hubble has given us a front row seat to the chaotic processes that are shaping disks as they build new planets — processes ...

The discovery is the first direct observational confirmation of a theory for how young stars feed on, and then explosively ...

Astronomers using NASA's Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young ...

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

In a similar vein, the 2023 source, cs2, recently emerged from another rare yet sizable asteroid collision. The impact poofed ...

What looked like a mysterious exoplanet was actually the sparkling debris from a violent collision between massive space rocks.