Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems. Subscribe to our newsletter for the latest ...

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 ...

Astronomers have, for the first time, captured a gallery of detailed snapshots of planetary systems during their "teenage years," an era long shrouded ...

This gallery contains 74 images of different star systems with cometary belts (known as “exocomets”) taken with the Submillimeter Array (SMA) and the Atacama Large Millimeter/submillimeter (ALMA) ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The solar system suddenly has a new member. A new object ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...