Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the ...

Mars has a Trojan, and there may be small Trojans in Lagrange points of Earth and Venus. Small objects in the distant outer solar system might be similar to asteroids or comets; the definitions begin ...

This runaway growth led to the formation of the gas and ice giants in the outer solar system. This first-order model of planetary growth in the solar nebula is mainly driven by temperature and ...

An interstellar visitor may have warped the solar system billions of years ago, a new study has claimed. Scientists suggested the enormous object disrupted the orbits of Jupiter, Saturn ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.

That simple observation had larger implications for categorizing these cryptic wanderers. New data suggest that some dark comets hang out in the outer solar system and others live closer in. The ones ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Two exciting new studies detail the life-supporting contents of a 4.3-ounce ...

On Wednesday, an unprecedented memo from the International Asteroid Warning Network was sent to the United Nations Office for ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...