Palomar 5 is a unique star cluster that stretches across 30,000 light-years and is located about 80,000 light-years from ...

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 ...

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 ...

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

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

Learn what this survey recorded of exocomet belts, which imaged and identified bands of every size.

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours ...

A parade of planets is coming this January, but if you miss it, you can catch it in later months. Six planets in our solar ...

On January 21, a celestial event will unfold in the night sky, captivating stargazers across the United States, Canada, and ...

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

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.