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

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

This image, taken by NASA’s New Horizons spacecraft on July 14, 2015, is the most accurate natural color image of Pluto. This ...

On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the ...

NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Alex Parker This image, taken by NASA's ...

The team launched on June 25, 2025, aboard SpaceX’s Crew Dragon spacecraft, Grace, from Nasa’s Kennedy Space Center. This ...

On July 14, 2015, the New Horizons space probe came within 7,800 miles of Pluto, providing NASA scientists with the clearest ...

Newly released imagery from NASA shows the Sun's corona in stunning detail after the Parker Solar probe performed its closest ...

This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

NASA have revealed images that show the surface of the Sun in the closest attempt to get near it after its record-breaking ...