An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting was symbolic, for it was at the 33rd meeting of the AAS, a century ago on January 1, 1925 in Washington, D.C., that ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

It highlights how long-term observation, detailed modeling, and powerful telescopes like Hubble continue to deepen our understanding of the solar system’s distant frontier.

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...

The James Webb Space Telescope has observed surface ice methanol — a key building block for organic compounds necessary for life, including sugars — on trans-Neptunian objects.

NEW YORK — Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show that opened to the public on June 2.

TNOs are important to our understanding of our solar system's origins because they are incredibly well-preserved remnants of the protoplanetary disk -- or disk of gas and dust surrounding a young ...

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 ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on distant icy worlds. In a distant corner of our solar system called ...

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 ...