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 ...

At the ragged frontier where the Sun’s influence gives way to the galaxy, a decades‑old spacecraft has stumbled into a ...

DUGWAY, UTAH - SEPTEMBER 24: In this handout provided by NASA, from left to right, NASA Astromaterials Curator Francis McCubbin, NASA Sample Return Capsule Science Lead Scott Sandford, and University ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Meteorites burn up in Earth’s atmosphere on a regular basis, but a space rock that landed in Canada last year threatens to shake up our entire understanding of the solar system. Scientists traced its ...

I/ATLAS is a newly detected interstellar object that entered the solar system from outside our stellar neighborhood, ...

A study of the Beta Pictoris Moving Group (BPMG), a cluster of relatively young stars, suggests a high prevalence (20 out of 30 surveyed) of stars possessing Jupiter-mass planets in long-period orbits ...

Eleven objects found at the extremities of the solar system could mark the location of a 'Kuiper Belt 2.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

On August 25th, 2012, humanity became an interstellar species. There was no fanfare or galactic welcome party as a humble robotic probe, the Voyager 1 spacecraft, crossed an invisible threshold. It ...