A cloud of energetic gas lit up by a collision of galaxies spans nearly 20 million light-years, leading astronomers to ...

Here’s an oddball open star cluster I bet you’ve never seen — it’s catalogued as Pismis-Moreno 1. Lying at a high declination ...

A nearly Full Moon passes close to the ruby-red star at the heart of the Scorpion, visible in the early-morning hours.

Polaris, which lies roughly 430 light-years from Earth, marks the end of the Little Dipper’s handle. Alternatively, it’s the ...

Eugene Parker, pioneer of theoretical solar and plasma astrophysics, was born June 10, 1927. Parker revolutionized the field ...

Following a multimillion-dollar expansion program in recent times, sudden harsh science cuts are challenging America’s ...

Although the astronomers royal post is largely honorary today, it has long been a title awarded to the most prominent ...

The globular cluster M92 lies near the Keystone of Hercules, coming in a close second to the constellation’s more famous M13.

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

The solar system’s largest and smallest planets meet in the evening sky, standing 2° apart shortly after sunset.

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

This morning, set your sights on the first planetary nebula ever discovered: M27, the Dumbbell Nebula in Vulpecula.