Astronomers have unveiled surprising new details about a small galaxy, NGC 300, challenging existing theories on galaxy ...

Comet ATLAS (C/2024 G3) came three times closer to the sun than Mercury on January 13—and this may have changed it ...

Astronomers sound the alarm as a proposed renewable hydrogen project in Chile threatens to disrupt the pristine night skies ...

Be safe while stargazing or venturing out at night on remote islands. Always let someone know where you're going and when you ...

These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars ...

A remarkable black hole, located 270 million light-years away in the Draco constellation, has become the center of ...

Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

A team that included University of Arizona astronomers captured the infrared image of the supermassive black hole using a Large Binocular Telescope Interferometer.

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...