An artist’s rendering of the IMAP spacecraft, which will explore and chart the boundaries of the ...

The spacecraft will study the solar system's edge, magnetic fields in interplanetary space, and remnants of exploded stars.

IMAP will launch aboard a SpaceX Falcon-9 on a mission to chart the very edge of the solar system — the heliosphere’s boundary— where the Sun’s influence yields to the interstellar medium.

A SpaceX rocket lifted off Wednesday from the Kennedy Space Center in Cape Canaveral, carrying NASA's Interstellar Mapping and Acceleration Probe, or IMAP.

Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the planets, and the distances between them all on ...

The US space agency NASA successfully launched three missions into space on Wednesday that seek to map the heliosphere.

Starting with an Earth the size of a marble, these folks built a full-scale model of our solar system across 7 miles of Nevada desert. Anthony Domanico CNET freelancer Anthony Domanico is passionate ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

It’s probe-ably nothing. The newly discovered Manhattan-sized interstellar object zooming through our solar system has been identified as a comet — but two Harvard scientists argue there is reason to ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural Sciences, has discovered an extraordinary trans-Neptunian object (TNO), ...