Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Tucked between Mars and Jupiter lies the asteroid belt, a region that, for decades, has appeared to be nothing more than a pile of rocky debris. Among the mysteries of space, one object has always ...

A new "main-belt comet" — a comet-like object masquerading as an asteroid in the asteroid belt between Mars and Jupiter — has been identified, bringing the tally of these beguiling objects up ...

NASA has released new detailed images revealing a full-frame view of the peculiarly shaped asteroid Donaldjohanson.

A new "main-belt comet" — a comet-like object masquerading as an asteroid in the asteroid belt between Mars and Jupiter — has been identified, bringing the tally of these beguiling objects up ...

Regardless of how 2001 NL19 is classified, the number of confirmed main belt comets suggests that “these things are native to the asteroid belt,” Dr. Snodgrass said. Their genesis remains hazy ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers identify asteroid belt, ... they are comprised of both ice and rock and form tails near the sun as they are vaporized and blasting off any materials on their surface and producing a ...

Fomalhaut, a 440-million-year-old star, has a debris disk and two rings, akin to our asteroid and Kuiper belts. Adam Block Get the Popular Science daily newsletter💡 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A new "main-belt comet" — a comet-like object masquerading as an asteroid in the asteroid belt ...