The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest ...

It's 99 percent dark matter, a new study explains.

Comet 41P slowed its rotation to a halt and then began spinning in the opposite direction, surprising scientists.

Astronomers used AI to search 35 years of Hubble data and discovered over 1,300 rare cosmic anomalies hidden in plain sight.

Called CDG-2, this newly identified “ghostly” galaxy may be one of the most dark matter-dominated galaxies ever discovered, with a staggering 99% of its total mass made up of dark matter — a ...

Using the Hubble Space Telescope, astronomers have discovered what seems to be a galaxy that is the most heavily dominated by ...

In 1990, a new eye into the cosmos launched from Kennedy Space Center. Hubble, a revolutionary new telescope, would soon bring a level of clarity and wonder to scientists and citizens alike. Hovering ...

WASHINGTON — The Hubble Space Telescope marked its 35th anniversary this week and NASA celebrated by releasing a series of stunning new photos from the observatory. With nearly 1.7 million ...

At the center of the Egg Nebula is its yolk: a deteriorating sun-like star.

The stunning image captures a star's dying moments wrapped in dust, light, and a cosmic conundrum still waiting to be solved.

For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe expanding right ...