A routine planetarium show at New York’s Hayden Planetarium just triggered a potentially historic discovery in astrophysics. While curating scenes for “Encounters in the Milky Way,” a team of ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. This scene from the new Hayden Planetarium Space Show "Encounters in the Milky Way" at the American Museum of Natural History ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be chemically active. Astronomers have discovered that the largest comet from the ...

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 ...

Launched in 1997, NASA’s Voyager spacecraft has been traveling ever since, and it was around 167 astronomical units (AU) away from Earth. It was the first spacecraft to go beyond the heliosphere, ...

Voyager 1 and 2, launched in 1977, have traversed the heliopause and are currently in interstellar space, with Voyager 1 significantly farther from the Sun due to its higher velocity. The Oort Cloud, ...

An unusual comet that astronomers thought had disintegrated actually survived its close pass by the Sun in 2022 1. The comet in question, C/2021 O3, was spotted in July 2021 on its way from the Oort ...

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance ...