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

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

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

Many scientists have long thought that developing planets should resemble the swirling disk of gas and dust that births them.

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

Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations. They found that a planet orbiting a white dwarf star would offer a ...

The agency announced on Monday afternoon (Feb. 10) that it has picked SpaceX to launch Pandora, a 716-pound (325-kilogram) ...

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

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

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.

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