Not only are they supermassive black holes, but they crate a unique "wagging tail" of super-charged particles.

The Hubble Space Telescope has captured imagery of an object 9,000 light-years way known as IRAS 05506+2414. It "may be an ...

The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

A pair of Sydney Ph.D. students helped sharpen the view of humanity's most powerful space observatory—without leaving Earth.

Betelgeuse, the brilliant red star marking Orion's shoulder, has long been suspected of harboring a secret. I have to confess ...

Astronomers spot a red supergiant star hidden in dust just before it exploded, solving a long-standing mystery about missing supernovae.

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

For decades, scientists have suspected that Betelgeuse—the giant red star that forms Orion’s shoulder—wasn’t alone. Now, a ...

Elliptical galaxies instead tend to be older, more massive, and with stars distributed not in a nice little disk, but in a ...

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...