Scientists with NASA's Lucy mission continue to analyze data collected during the spacecraft's April 20 encounter with the ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

World Asteroid Day is celebrated every year on 30 June. The purpose of this day is to make people aware of asteroids and the ...

Researchers believe this 4.6-billion-year-old piece of rock could reveal compounds present at the beginning of the solar system and the building blocks of life.

Asteroid 2025 KX8, about the size of a small jet, will make a close approach to Earth on June 4, 2025. While it poses no immediate threat, scientists are closely monitoring its trajectory.

Heavenly questions China extends its reach into the Solar System with launch of asteroid mission Tianwen-2 will first return samples from an asteroid, then explore a mysterious comet-like object.

This problem has now come up again after scientists—using NASA’s Hubble Space Telescope and the W. M. Keck Observatory—observed that the Kuiper Belt system Altjira could be a triple system.

Scientists speculate that Bennu is part of a much larger ancestral asteroid that formed in the farthest reaches of the early solar system approximately 4.5 billion years ago. Japan’s efforts ...

Samples from asteroid Bennu have delivered remarkable insights into the origins of Earth’s water, the organic molecules that may have seeded life here and elsewhere, and the fundamental materials and ...

All eight of the solar system’s “major” planets appear in this illustration, but the actual number of planetary bodies orbiting our star is far greater. Digital Vision/Getty Images ...

Tiny grains from the asteroid Ryugu have shed light on the origins of the outer solar system over 4.6 billion years ago. MIT researchers analyzed precious samples from the asteroid Ryugu ...