Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

The optics for NASA's Nancy Grace Roman Space Telescope have been delivered, marking a big milestone in the assembly of the ...

Every 13-15 years, Saturn is angled in away in which the edge of its thin rings are oriented toward Earth – effectively ...

A cosmic drama is unfolding at the edge of the Milky Way galaxy, and NASA’s Hubble Space Telescope is watching the story ...

Unusual vortices tied to Jupiter’s magnetic field may be driving massive formations of atmospheric haze close to the giant ...

A photo shared on social media authentically showed the Helix Nebula captured by NASA's Hubble Space Telescope. Rating: Fake ...

This amazing Lego Space Shuttle Discovery set is 20% off with a free Lego Insiders membership, and you can get a free gift ...

Two different space telescopes have looked at the same galaxy, so you can see the difference in how they observe the universe ...

The Sombrero galaxy, named for its resemblance to the Mexican hat, is about 30 million light-years from Earth.

"We pushed our detection limit down to the brown dwarfs of the cluster, which are the smallest stars that can form!" ...