Early observations of the planets revealed worlds far different from Earth, demonstrating that the universe was far more ...

An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are ...

A newly found icy object, Ammonite, may be a 4-billion-year-old fossil from the Solar System’s edge—and it’s casting doubt on ...

Test your knowledge of U.S. astronomers and their groundbreaking discoveries. Challenge yourself with this fun US astronomers ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual orbit that ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

“The Lowell Discovery Telescope is really well suited to observations close to the horizon,” says Nick Moskowitz, an astronomer at Lowell Observatory. “We will be able to track it closer in to ...

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

The NASA-funded ATLAS survey telescope in Chile first reported that the ... Universitat de Barcelona in Spain, European Southern Observatory in Germany, Villanova University, Lowell Observatory, ...

REx sample return capsule contained rock from the asteroid Bennu. NASA/Keegan Barber Mary Magnuson, Collecting asteroid ...

Revealing hidden aspects of the universe: NASA’s James Webb Space Telescope captured an unprecedented image of a region known as Cat's Paw Nebula.

Revealing hidden aspects of the universe: NASA’s James Webb Space Telescope captured an unprecedented image of a region known as Cat's Paw Nebula.