Our visual perception of the Solar System has changed a lot since many of us sat in a high school science class. Hell, in the last few years alone intrepid probes have hurtled through unexplored ...

CC0 Usage Conditions ApplyClick for more information. Where do we come from? How did our planet form? How do we know about the history of our solar system? You can explore these universal questions in ...

Mariner 10's three flybys of Mercury in 1974 and 1975 produced much of what we know about the smallest rocky planet in the system. The densely packed, lightweight spacecraft contained a variety of ...

Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems. Gaël Chauvin (Max Planck Institute for Astronomy ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planet Nine is out there, and astronomers are determined to find it, according to a new statement ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The weirdly clustered orbits of some far-flung bodies in our solar system can be explained ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The discovery team nicknamed the object "Farout," and its provisional designation from the ...

Scientists have discovered yet another marker on the trail toward the putative Planet Nine. That clue is 2015 TG387, a newfound object in the far outer solar system, way beyond Pluto. The orbit of ...

A newly discovered object is the most-distant body ever observed in the solar system—and the first object ever found orbiting at more than 100 times the distance from Earth to the sun. The discovery ...