The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that ...

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

Researchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

"Magnetar birth rates and formation scenarios are among the most pressing questions in high-energy astrophysics." ...

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

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

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 ...

Researchers using NASA's Hubble Space Telescope have discovered the magnetar called SGR 0501+4516 is traversing our galaxy ...