Scientists have officially confirmed the discovery of a new super-Earth, HD 20794 d, located just 20 light-years away. This ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

'Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study. Most of the information we have about ...

A star system has been discovered to be moving at an estimated 1.2 million miles per hour, making it possibly the fastest moving solar system in our galaxy.

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Astronomers may have found a star racing through our galaxy at an incredible speed—dragging a planet along with it! If ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

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 ...

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