For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

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

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Scientists have been unable to determine whether the dwarf planet’s organics were produced by its own chemical processes or ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

Using clever light-detecting techniques, ExTrA searches red dwarf stars for planets that might support life. By studying tiny ...

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

However, in 2006, the International Astronomical Union (IAU) redefined what constitutes a planet, leading to Pluto’s reclassification as a dwarf planet. This decision sparked widespread debate ...

Wolf 359’s extreme radiation and frequent X-ray flares make life-sustaining atmospheres on nearby planets highly unlikely, ...