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 ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An object has been discovered orbiting the sun far beyond ...
New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...