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 ...

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

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

G3 (ATLAS) blazed past the Sun, captured in stunning detail by the SOHO spacecraft. Scientists used its passage to study how ...

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.

Discovered by the Asteroid Terrestrial Impact Last Alert System (ATLAS) on April 5 ... A timelapse taken by the NASA/ESA ...

Credit: Don Pettit / NASA Comets are enormous balls of ice, dust, and rock that formed in the outer solar system, left over from the early days of planet formation about 4.6 billion years ago.

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 ...

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 ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...