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

A comet-like object was seen soaring across the sky last night, leaving many wondering what it was. Meteor showers streaked across the Pennsylvania sky in late 2024, but this ...

A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a matter of minutes, ...

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 ...

Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a ...

The possibility of the asteroid 2024 YR4 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst ...

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

The car, launched in 2018 on a SpaceX rocket’s upper stage, is one of many human-made objects in deep space that could ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

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

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