Why Can't We Find Planet 9? Deep in the outer reaches of our solar system, far beyond Neptune and Pluto, something massive is hiding in the dark. Scientists call it "Planet 9." For decades, ...

Planet 9 sits at the edge of scientific imagination, promising either an epic expansion of the Solar System or a lesson in ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

A famous night-sky object has yielded a surprise: a narrow, bar-shaped cloud made of highly ionized iron. The discovery comes ...

Halloween becomes particularly entertaining because you can buy enough decorations to haunt your entire block. Plastic skulls ...

China advances plans for dual solar system boundary missions China has published coordinated papers outlining dual missions ...

A powerful flare has unleashed a severe solar storm that could cause auroras and satellite disruptions on Earth.

In a new study, researchers explained that less is known about the topography beneath the ice of Antarctica than any other ...

"Our IFPA map of Antarctica’s subglacial landscape reveals that an enormous level of detail about the subglacial topography of Antarctica can be inverted from satellite observations of the ice surface ...

Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

Astronomers discovered Gomez’s Hamburger, a massive protoplanetary disk. Edge-on view shows dust and gas layers with clumps ...

Today: Winter is the best season for finding bright stars. And if you only want to set aside a few minutes, 10 p.m. tonight ...