The eight planets in our solar system (yes, it's still weird for me to write "eight," too) orbit the sun in roughly circular paths, although they're ever-so-slightly ellipses instead of circles. A new ...

Astronomers have identified a vast, cotton-candy–light “super‑puff” world that loops around its star in a wildly misaligned ...

Sedna is drifting into a part of its path where human technology can finally contemplate catching up, and that window will not reopen for roughly the span of recorded civilization. Its 11,400 year ...

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Researchers using Chile’s Atacama Large Millimeter/submillimeter ...

The type of orbit an exoplanet occupies could result in astronomers missing out on possible radio transmissions coming from the planet. When you purchase through links on our site, we may earn an ...

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed ...