As suspected, Vesta is no mere asteroid. It is a protoplanet, a remnant of the early days of our solar system that never grew up because Jupiter kept stealing all its potential mass. A 10-month study ...

(Image credit: 2632cgn, CC BY-SA 4.0, via Wikimedia Commons) The detection of hydrogen emission provides direct evidence of mass accretion onto a protoplanet still within the disk it formed out of, ...

The WISPIT 2 system as seen by the Magellan Telescope in Chile and the Large Binocular Telescope in Arizona. The protoplanet WISPIT 2b appears as a purple dot in a dust-free gap between a bright, ...

A new paper suggests that Uranus might still contain evidence of the catastrophic impact that knocked it on to its side and shaped much of its evolutionary history. If it's accurate, there are some ...

Image of AB Aurigae in hydrogen-alpha (Hα) light, showing the newborn protoplanet AB Aurigae b clearly detected about 0.6”almost due south of the central star. The central 0.3” region around the star ...