Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

I/ATLAS has captured the attention of space enthusiasts and researchers with its unusual features. The interstellar object is expected to make another appearance soon, promising fresh insights into ...

If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

A colossal cloud of gas and dust resembling a flying bat has been photographed soaring across the southern sky by the Very ...

On Episode 184 of This Week In Space, Rod Pyle and Tariq Malik look at why space can be scary with a survey of some of the best (and some of the most laughable) movies about critters from outer space!

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Astronomers have spotted a ghostly visitor soaring through the Milky Way - a winged cloud of gas and dust that looks like a ...

Astronomers warn of a small yet likely enhanced risk of damage, injury, or death from exploding swarms of Halloween Fireballs ...

For Halloween, our space photo of the day shows a brilliant orange sunset over Kitt Peak Observatory in Arizona.

The Richard F Caris Mirror Lab in Tucson is actually attached to the UA football stadium, with some parts being below seats ...