The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

Astronomers discover a network of cosmic tunnels linking our solar system to distant galaxies, revealing a dynamic and ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

The threat of tariffs on rooftop solar components will lead to price increases for consumers, but likely won't slow overall ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...