Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space Flight Center ...

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

A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

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

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

The team behind this research reached this conclusion by studying 20 extrasolar planets or "exoplanets" as they crossed, or "transited," the faces of their parent stars using the Hubble Space ...

This artist's concept visualizes a super-Neptune world orbiting a low-mass star near the center of our Milky Way galaxy.

Launched in 1990, the Hubble Space Telescope is a joint ESA/NASA project. It has become one of the most important science ...

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.

How does a star’s activity influence exoplanet data obtained by scientists? This is what a recent study published in The ...