The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

SpaceX is scheduled to launch NASA’s Interstellar Mapping and Acceleration Probe (IMAP) mission at 7:30 a.m. ET on Wednesday, from Launch Complex 39A at Kennedy Space Center.

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission has launched to map it like never before.

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

NASA and the National Oceanic and Atmospheric Administration have launched three new missions to enhance our understanding of solar wind and space weather.

There are quite a few other places we might find life in the solar system, including dwarf planets like Ceres. Ceres is ...

“2017 OF201 spends only 1% of its orbital time close enough to us to be detectable. The presence of this single object suggests that there could be another hundred or so other objects with similar ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...