Asteroid 2024 YR4 will not impact the Moon in 2032! New observations from the NASA/ESA/CSA James Webb Space Telescope have ...

Asteroids are some of the oldest objects in the Solar System: leftovers from the chaotic time when planets were assembling from dust and rock. They're ...

Space is not as empty as it looks. Right now, as you read this, NASA scientists are actively watching dozens of objects ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

The horizontal coordinate system uses two angles: altitude (or elevation) and azimuth, relative to the observer’s horizon, to ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

The Royal Observatory in Greenwich was commissioned by Charles II in 1675. It has played a key role in the history of ...

There have been plenty of attempts to resolve the "Hubble Tension" in cosmology. This feature describes how one of the most ...

The largest stars in the universe live the life of a rock star - they are born brilliant, live fast and die young. If that is ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...