A fast-moving green glow on Jupiter is baffling scientists, showcasing the mysteries of our Solar System. Alongside this anomaly, Mars reveals electrical discharges in dust storms and ancient ...

At hundreds of millions of kilometers from Earth, an interstellar comet has made an engineering-grade diagnostic: a measurable X-ray glow that traces the exact boundary where the Sun’s particle stream ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...