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

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

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

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

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.

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

'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 ...

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.

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

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 ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.