Suppose the galaxy’s oldest secrets were readable not in the glare of faraway stars, but in a brief, cold visitor whizzing ...

Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

Using the Gemini North telescope in Hawaii, astronomers have captured an image of comet 3I/ATLAS, an interstellar object that ...

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond ...

Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...

It's out of this world. Or, more accurately, this solar system.On July 1, astronomers discovered an object near the orbit of ...

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and millions of glittering galaxies.

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

Gemini North, part of the International Gemini Observatory operated by NSF’s NOIRLab, is back observing the night sky following the repair and refurbishment of its primary mirror.