The number of satellites in space continues to rise due to the deployment of megaconstellations. For decades, humanity has ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out on the evening of December 26 and ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Satellite mega constellations promise faster connectivity but threaten astronomy, as thousands of satellites brighten skies, ...

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

The Atacama Large Millimeter/Submillimeter Array (ALMA) in the Chilean Andes is one of the most powerful radio telescope ...

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ...