NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five ...

The asteroid, named 2024 YR4, flew into view of the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in ...

NASA detects a building-sized asteroid approaching Earth. NASA’s James Webb Space Telescope turned its watchful eye to ...

Astronomers have traced the origin of asteroid 2024 YR4, which appears to have broken off from a larger space rock.

NASA is bringing the world of planetary defense to the public with its new documentary, "Planetary Defenders." Dr. Shantanu ...

Astronomers at W. M. Keck Observatory on Maunakea have uncovered new insights about 2024 YR4. This is an Earth-crossing ...

What can exozodiacal dust, also called exozodi, teach astronomers about identifying Earth-like exoplanets? This is what a ...

Pounding icy objects on Mars could make it survivable for humans, says a new study. Scientist Leszek Czechowski of the Polish ...