The Mars Opportunity rover, built to last 90 days, has ended its mission after 15 years on the red planet.

This dazzling region of newly-forming stars in the Large Magellanic Cloud was captured by ESO’s Very Large Telescope.

Astronomers studying a globular star cluster accidentally discovered a more-distant galaxy behind it. The little galaxy is 30 million light-years away and is nicknamed Bedin 1. The videos in this post take you there.

ESA’s Mars Express spacecraft began sending back images from its orbit around Mars in January 2004. Take 5 minutes to see some of the coolest images of the mission so far.

And hello, Iridium NEXT. The final launch of 10 Iridium NEXT satellites is targeted for January 8, 2019, at 7:48 a.m. PST. Meanwhile, the beloved glints of Iridium flares are disappearing from Earth’s night skies.

On December 31 – while we celebrated – NASA’s OSIRIS-REx spacecraft went into orbit around Bennu, a near-Earth asteroid. The maneuver makes Bennu the smallest object yet to be orbited by a spacecraft.

Take 2 minutes to learn about the life and death of a planetary system in this new video from NASA.

Scientists have long said that Saturn’s glorious rings may be only temporary. New research confirms a “ring rain” onto Saturn that’ll leave the planet ringless in 300 million years, or sooner.