For nearly three decades, astronomers have interpreted the faint luminosity of certain distant explosive stars as a sign of ...

I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

A viral image, allegedly from Japan's space agency, has sparked renewed global interest in interstellar comet 3I/ATLAS. While ...

James Webb Space telescope spots 'big red dot' in the ancient universe: A ravenous supermassive black hole named 'BiRD' ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of the early universe. While studying the distant galaxy cluster known as ...

Learn what a black hole is, how it forms, and how astronomers detect it. Understand the science behind black holes and their ...

The truth is out there. Astronomers say they’re stunned by an unidentified object flashing strange signals from deep space. The object, named ASKAP J1832-0911, was detected by the Australian Square ...

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now has a second moon in its orbit.

The Kepler space telescope is the source of more exoplanet discoveries than any other telescope, so why haven't we heard ...

Just about everyone has heard of NASA’s Hubble Space Telescope — not too surprising considering that it has been with us for the past 35 years. For the majority of people alive today, the HST has been ...

The space shuttle Discovery headed to the pad yesterday for its last trip into space. The 26-year-old craft has seen a lot in its career, some good, some bad, some odd. Here are five highlights: 5.

Arizona is a hub for space exploration and stargazing, offering a variety of places for those curious about the cosmos. From the Dorrance Planetarium at the Arizona Science Center in Phoenix, where ...