The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

But our own Solar System's disc is relatively warped, with the orbits of its planets slightly tilted and more oval than circular. What happened to it? It's possible a heavy object fell into the mix ...

The team put forth a possible answer to that question: a mysterious object flew through our solar system about four billion years ago and swept the giant planets into new orbits. The ...

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 ...

encounters with such objects may be more common than previously thought. This research provides a compelling new perspective on the history of our solar system, suggesting that its current ...

This object, possibly a substellar body ... The findings could significantly shift our understanding of the solar system’s evolution. Advisory Alert: It has come to our attention that certain ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

then it could disprove the notion that there is a ninth planet lurking out in the darkness of our Solar System beyong Neptune. But should the orbits of the new objects follow the trend ...