Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

The spacecraft will study the heliosphere, a vast bubble created by the Sun's solar wind. This bubble acts like a shield, ...

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

A space instrument built by the University of Colorado Boulder will launch aboard a NASA spacecraft on Sept. 23 to detect and ...

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

This giant protective bubble, created by the Sun’s solar wind, extends far beyond the orbit of Neptune and shields life in our solar system from harmful cosmic radiation and high-energy particles.

The Solar System is vast, made up of eight planets, countless moons, and millions of asteroids, all orbiting the Sun. But like any territory, it has a boundary. This boundary is invisible, yet it ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

Asteroid 2025 FA22, measuring up to 951 feet across, will make a close approach to Earth early Thursday according to NASA ...

The Japanese Aerospace Exploration Agency, or JAXA, expects its spacecraft to rendezvous with the asteroid in July 2031. The ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

A giant space rock the size of New York's Chrysler Building will make a close pass by Earth Thursday, and it could get even ...