2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

Asteroid 99942 Apophis is set to pass Earth on April 13 2029, coming as close as about 32,000 kilometres from the ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

Asteroid 2025 SC79 is the size of a skyscraper and moves around the solar system at a record-breaking speed. Astronomers ...

The mysterious interstellar object 3I/Atlas will pass by Earth on October 29, and scientists explain what it means and whether it’s safe.

NASA confirms comet 3I/ATLAS, a rare interstellar visitor, will safely pass the Sun and Venus in late 2025, offering ...

It's a weekend double cosmic treat! Comets Lemmon and SWAN are making a close approach to Earth. Can you see it in NJ? Timing ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet ...

They sky is filled with celestial treats this month, including a close Earth-approach by two comets. Can you see in NJ?