Astronomers discover 2025 SC79, the solar system's second-fastest asteroid, hiding in the Sun's glare. Learn why these ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

The interstellar object was first captured by scientists in July as an expert it warns it could be extra-terrestrial ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Have you heard about Asteroid Apophis? It's like the rockstar of space—cool name, big impact! This bad boy has been causing a ...

Asteroid 2024 DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide (13 m). Credit: Space.com | animation: NASA/JPL-Caltech | edited by Steve ...

Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

A new study reveals that the asteroid belt is slowly disappearing, offering insights into its long-term fate and what this means for our solar system.

Elon Musk and SpaceX are commemorating a major milestone in the commercial spaceflight company's satellite internet service, ...

Avi Loeb, Harvard astrophysicist and longtime proponent of the possibility that certain celestial objects could be artificial ...

In 1978, Ride and five other women became the first group of female astronauts in the U.S. A new book by a longtime curator of spaceflight artifacts explores the nearly five-decade history of women in ...