The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called ...
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 newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...
Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals formed much later than expected. These late-forming bodies match the ages and ...
Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.