A meteorite from Mars, the largest piece ever found on Earth, sold for $5.3 million to an anonymous bidder at a Sotheby's auction in New York on Wednesday.

NASA launched New Horizons to explore Pluto. In 2019, it visited the furthest object in the Solar System we have seen up close.

Astronomers discover Ammonite, a rare icy object beyond Pluto, challenging Planet Nine theory and offering clues to the solar system’s ancient origins.

On its record-breaking pass by the Sun late last year, the Johns Hopkins APL-built Parker Solar Probe captured stunning images from within the Sun’s atmosphere. Taken closer to the Sun than we’ve ever ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

Answers to those questions could come from a telescope with the world’s largest digital camera, a project with initial ...

Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get ...

Astronomers have hoped for the existence of Planet Nine for years. Things were looking promising, but this discovery might ...

I’m not sure whether it was elementary school science classes or Fred Flintstone’s Brontosaurus burgers that made the giant herbivore one of the most recognizable dinosaurs to me as a kid. But for ...

Astrophotographers have snapped stunning shots of a giant shapeshifting solar prominence, dubbed "The Beast," which appeared over the sun's northeastern limb on July 12 and rained impossibly fast fire ...