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

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

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will ...

Now in its ninth year, the overwhelmingly expansive sci-fi survival sim No Man’s Sky is transforming yet again. Another ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

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

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 ...

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

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...