Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

“The Euclid data clearly confirm the presence of the extremely faint, diffuse light of CDG-2, revealing the galaxy behind the ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

When you look up at the night sky, it appears unchanging. But if you look deep enough you will find that the sky is in fact ...

A telescope in Chile has revealed in unprecedented detail the swirling splendor of star-forming gases at the heart of our ...

Can NASA and Elon Musk get us to Mars and beyond?

Several discoveries have emerged from the commissioning phase of the new Vera C. Rubin Observatory in Chile, serving as an ...

Five new galleries will open on July 1, featuring interactive exhibits, WWII aircraft, the Hubble Space Telescope and more.

Water ice on Mars, bubbling gas on a distant star, a snow-covered island, and a pre-planetary nebula are featured this week. Plus, a look back at an image of Mars taken by the Dawn spacecraft during a ...

The James Webb Space Telescope spots evidence of a stellar explosion that could help solve the cosmic mystery of "missing red supergiants." ...

Astronomy does not belong off Earth. It belongs wherever the universe can be observed — and that necessarily includes the surface of the planet humans live on. Kelsey Johnson: Past President of the ...