Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Identifying the formation period of planetary systems, such as our solar system, could be the beginning of the journey to ...

Simulations Of Early Solar Systems Find Up To 40 Percent Chance That Planet Nine Exists Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

This link, called "trapping efficiency," shows how often scattered planets end up in stable wide orbits. The research found that in solar system-like conditions, trapping happens about 5–10% of ...