The sixth day of the 18th annual Space Telescope Advent Calendar features the final act of a star near the end of its life.

Saturn sets a new record with a staggering 274 moons, surpassing Jupiter’s total and cementing its position as the planet ...

Astrophotographer Andrew McCarthy captured an awe-inspiring photograph of a skydiver’s silhouette in front of the sun.

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

A snowy Friday night may hide the stars over central Wisconsin, but the week ahead still offers plenty to see: Saturn’s ...

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

If it feels like the last month of the year has kicked off on an especially dramatic note, you’re simply feeling the vibes of ...

In a recent Science study, researchers used 15 kilometers of telecom fiber near Mendocino, Calif., to record the region’s ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...

Sky This Week is brought to you in part by Celestron. Friday, December 5Saturn's far-wandering moon Iapetus reaches superior ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...