A comet born around another star is carrying water unlike anything ever measured in our solar system. Interstellar comet ...

On the night of October 4, 2025, NASA’s Perseverance rover tilted its cameras away from the rocks of Jezero Crater and toward ...

Discovered in 2017 by Pan-STARRS atop Halealakalā on Maui, ʻOumuamua was the first confirmed interstellar visitor. Its ...

The Subaru Telescope achieved first light in January 1999 and entered its 27th year of operation in 2026. In March 2025, ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The JUICE mission snapped photos of Comet 3I/Atlas after surviving its closest approach to the Sun. This will be your best chance to see 3I/ATLAS in the night sky. Never-before-seen images of 3I/ATLAS ...

The astronomer used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile to make the observations.

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, according to NASA. Thankfully, the comet poses no threat to Earth.

An interstellar object roughly the size of Manhattan has captured scientists’ attention — and one prominent Harvard astrophysicist believes it could be something far beyond natural. According to the ...