A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Nearly 50 years after launch, a pair of aging spacecraft have stumbled into one of the strangest regions ever measured in ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

In February, the bright band of the Milky Way appears higher in our pre-dawn sky. Find out where and when to see it.

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

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 ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...