2007 OR10 has one of the reddest surfaces ever found in our solar system's distant Kuiper Belt. Vote to help decide between 3 possible official names.

New research suggests that volcanoes of molten iron might have erupted onto the surface of metallic asteroids.

Rita Raina captured all the stars in the Winter Circle, as the moon swept through it. She said, "It wasn't easy getting them all in the frame ... but it's done!

On April 10, in coordinated press conferences across the globe, researchers unveiled a history-making image - the 1st ever - of the "shadow" of a supermassive black hole.

Israel's Beresheet spacecraft will attempt the country's 1st-ever and 1st commercial landing on the moon on Thursday, April 11. The landing is expected between 19:00 and 20:00 UTC (2 to 3 p.m. CDT).

In this new image from ESA's ExoMars orbiter, you can see the winding, crisscrossing tracks of hundreds of dust devils on Mars' surface.

On April 10, 2013, one of the largest non-volcanic landslides in the history of North America took place at the Bingham Canyon mine in Utah.

The trigger is usually water. Excessive rainfall can trigger landslides and mudslides because it’s heavy and adds extra weight to the land.

There are 110 Messier objects. They are some of the sky's most beautiful nebulae, star clusters, galaxies, from a list originally published by Charles Messier in 1774. During a Messier Marathon, stargazers with telescopes try to find as many in one night as they can.

Solar physicists predict another weak 11-year solar cycle ahead. At the same time, they expect the coming cycle to break the trend of weakening solar activity seen over the past 4 cycles, and they add there's "no indication we are currently approaching a Maunder-type minimum in solar activity."