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 ...

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 ...

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 ...

The findings suggest that asteroids in the asteroid belt, a region of the solar system roughly between Jupiter and Mars that contains much of the system's rocky asteroids, have subsurface ice ...

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 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💡 ...

The giant asteroid Vesta may contain a vast supply of water ice, a supply that has sat frozen for billions of years, a new study reveals. IE 11 is not supported. For an optimal experience visit ...