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

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

The Blue Ghost lunar mission has captured a gorgeous image of Earth as it ramps up its journey toward the moon.

Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is the first time a planet has been uniquely discovered by Gaia's ability to ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

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