The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Using NASA’s Chandra X-ray Observatory and other telescopes, astronomers have found that a black hole that shredded a star has moved onto a another star or stellar black hole. Credit: NASA/CXC/A. Hoba ...

A recently discovered observatory may be the oldest in the Americas, challenging everything we knew about ancient astronomy.

An interstellar comet racing through the inner solar system is giving scientists a rare chemical snapshot of material formed around another star, with early findings showing an unexpectedly low water ...

Study using radio telescope data finds most geostationary satellites emit little unintended radio interference in frequencies used for astronomy ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

The interstellar comet 3I/ATLAS reaches its closest point to Earth on Dec. 19, allowing close study with no threat to the ...

Researchers at the University of Hawaiʻi Institute for Astronomy (IfA) are helping reshape how scientists study the sun. The ...

Loveland Open Lands & Trails will host a Winter Solstice Celebration “Here Comes the Sun” Sunrise Event at 7-7:45 a.m.

Researchers at the University of Hawaii Institute for Astronomy (IfA) are helping reshape how scientists study the Sun.

For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...