In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

Discover the fascinating story of the 'blue lurker,' a mysterious star in the M67 star cluster studied by NASA's Hubble ...

The James Webb Space Telescope has observed the iconic Pillars of Creation and the view is spectacular! Travel 6,500 ...

The work has revealed that Andromeda is a lot more chaotic than expected. Similar to what recently retired Gaia did for the ...

The Andromeda galaxy, our nearest major galactic neighbor and one of the most iconic objects in the night sky, has captivated ...

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

On this week's episode: ancient human ancestors didn't eat meat, carbon caught in a cosmic conveyer belt, robotic bees pollinating crops, and the incredibly rare marsupial mole gets a checkup.

The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth’s point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases. In its center ...