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

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

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

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

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

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.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

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

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...