A rocky planet less than half the mass of Earth seems to have an atmosphere made almost entirely of sulphur dioxide – this ...

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 system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

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

Astronomers have found some pretty wild exoplanets. Some are balls of lava the temperature of hell, one is partially made of ...

New research points toward an exoplanet that may be capable of supporting life 20 light-years away from Earth.

Scientists using data from the European Space Agency’s Gaia mission have made a groundbreaking discovery: a massive exoplanet ...

"The climate of this planet is extreme and nothing like that of Earth. The planet's dayside is so hot that elements typically ...

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

Thousands of exoplanets have been discovered, only a select few show promise. Here we look at some of the most habitable exoplanets ever discovered ranked through their similarity to Earth. The result ...

Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

The planetary system is thought to move at least 1.2 million miles per hour. The post Astronomers discover fastest-moving ...