Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

The study of planets beyond the solar system has reached an unprecedented milestone, with over 5,700 confirmed exoplanets.

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

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

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 ...

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected ...

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

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.

A research team may have discovered a star with an exoplanet that is so fast that both will leave the Milky Way. A group of astronomers may have discovered a planetary system that races through ...

A small NASA exoplanet probe now has a ride to Earth orbit. The agency announced on Monday afternoon (Feb. 10) that it has picked SpaceX to launch Pandora, a 716-pound (325-kilogram) satellite ...

This is a worrying development because if these variations in stellar brightness aren't accounted for, scientists could get a range of things about exoplanets wrong, including their size ...