A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Stargazers across the Southern Hemisphere have been treated to views of a comet throughout the opening weeks of 2025. This past weekend, the cosmic spectacle became even more stunning as it ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our Solar System. And not once has a single black hole disturbed our planetary ...

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

Reintroducing Hawaii's sacred crow, how desert ants find their way, pterosaurs paddle-like tails, and how gophers rebuild ...

Comet G3 ATLAS faced just such a perilous passage, reaching perihelion 14 million kilometers from the Sun on January 13th.

G3 (ATLAS) is one of the few comets on record that became bright enough to be visible in the daytime without optical aid like ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

This comet, named ATLAS after the Asteroid Terrestrial-impact Last Alert System that discovered it, reached an extraordinary ...