"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are ...

In a groundbreaking discovery, astronomers have, for the first time, observed the formation of a new solar system.

Comet 3I/ATLAS is the third confirmed interstellar visitor to our solar system. But with the Rubin Observatory now scanning ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van’t Hoff, an astronomer at Purdue University in West Lafayette, Indiana, tells Nature’s Jenna Ahart.

Children at the Sylmar Branch Library were captivated by David Lehman, a volunteer NASA/JPL Solar System ambassador who knows ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

“We’ve always known that the first solid parts of planets, or ‘planetesimals’, must form further back in time at earlier ...

When: Colerain Township Board of Supervisors meeting, July 14. What happened: The board voted to enact a zoning ordinance ...