Looking for a really big story, I naturally headed for "Galaxies in Collision." Bradley Whitmore of the Space Telescope Science Institute in Baltimore brought us up to speed. We've known for a ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

Rosemary F. G. Wyse of Johns Hopkins University reported on our space invader, the dwarf galaxy known as Sagittarius. Three astronomers had been studying small squares of sky, measuring the motion ...

By analyzing the available observational data, astronomers from the Tribhuvan University in Nepal and elsewhere have ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have found compelling evidence of a dark matter-deficient dwarf galaxy, FCC 224. This ultra-diffuse galaxy is located on the ...

Hubble’s 35‑year celebration brings a vibrant reimagining of the Sombrero Galaxy, revealing hidden dust lanes and far‑flung ...

while it has the disc typical of spiral galaxies, it also features a halo and bulge seen in elliptical galaxies. This has puzzled scientists, leaving the Sombrero Galaxy classified somewhere ...

In fact, even Messier 104's central supermassive black hole—which is more than 2,000 times larger than its counterpart in the Milky Way, Sagittarius A, at a staggering 9 billion solar masses ...

Indie animation producer and distributor GKIDS and Japanese stop-motion animation studio Dwarf announced that they will jointly develop a new animated film based on the original autobiographical ...