Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

Aliens may have lived in our solar system, according to new research. NASA scientists have unveiled evidence that the dwarf ...

In a new study, scientists used advanced computer models to peer beneath Jupiter's dense swirling cloud tops and tackle a ...

More than 2 billion kilometers farther from the sun than Pluto, a frigid world named Makemake sports the most distant gas ever seen in our solar system, new observations reveal. “By surprise, we found ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...

CREDIT: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of ...

The Solar System remains a unique natural laboratory for exploring the processes that govern planetary formation, evolution and dynamics. Contemporary research continues to refine our understanding of ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...