Only two spacecraft have ever truly escaped the solar system, slipping beyond the Sun’s protective bubble into interstellar space. Their measurements are now reshaping how I understand the heliosphere ...

NASA’s IMAP spacecraft studies charged particles, energetic neutral atoms, and magnetic fields at the heliosphere’s boundaries, providing real-time space weather data for Earth and spacecraft.

"Bennu is a time capsule of the material that was throughout the solar system." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists ...

The Interstellar Mapping and Acceleration Probe (IMAP) is being launched later this month to study the outer reaches of the heliosphere which defines where our solar system ends and interstellar space ...