Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

As a galactic archaeologist, my job is to reconstruct the past of our galaxy – and read the signs of its future.

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

The Milky Way galaxy's bright center is most visible in the United States from March to September. No special equipment is needed to see the galaxy, but dark skies away from city lights are essential.

"Milky Way season," when our galaxy's bright center is most visible, is now beginning in the Northern Hemisphere. The best time to see the Milky Way in the U.S. is generally from March to September.