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

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet image of the planet.

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

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.

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

NASA is one step closer to scanning exoplanet atmospheres with the Pandora mission. This satellite is well on its way to ...

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 ...

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

Six planets grace the sky this month in what’s called a planetary parade. Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February.

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

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 ...

The agreement aims to stop US tech from getting into the wrong hands while providing US entities with an Arctic launch ...