"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

"Beetlejuice Beetlejuice" seems to suggest some of its iconic monsters are alien in nature and not supernatural. And that ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

NASA is set to launch three spacecrafts Tuesday with the goal of unlocking the mysteries of solar weather at the edge of our solar system.

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond. Now, as the BBC reports, new observations by the Gemini South ...