The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...

NASA’s TESS uncovers 11,554 exoplanet candidates in the T16 planet hunt, including more than 10,000 new ones around faint ...

The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to ...

From the moon's formation to the Earth's core, some of the planet's biggest mysteries are still wide open Fascinating ...

Planets are always lined up along the same celestial path, so this “parade” is all about timing Six planets will appear along the same stretch of sky just after this weekend, with the best views ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

A rare celestial event will be taking place in the sky above California on Saturday night, as six planets are expected to be visible in what is being called a "planetary parade." Look towards the ...

Venus and Jupiter dominate April's evening sky, while Mercury, Mars and Saturn linger in the dawn — here's how and when to spot them all. When you purchase through links on our site, we may earn an ...

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As the number of exoplanet detections has breached 6,000 and continues to grow, scientists are finding a wide variety of different solar system architectures. Critical to understanding how these ...