SOHO Stories

On April 4, comet C/2026 A1 (MAPS) plunged toward the Sun — flying about twice as far from our star as the Moon is from Earth. Comet watchers held their collective breath, waiting to see whether comet MAPS would survive its…

From August to October, NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission tracked comet 2025 R2 (SWAN) — one of the thousands of comets discovered in images from the SOHO (Solar and Heliospheric Observatory) spacecraft, a joint mission between NASA…

As ESA (European Space Agency) and NASA’s SOHO (Solar and Heliospheric Observatory) turns 30 on Tuesday, a lot has changed in how we understand our Sun and the space weather it creates since the mission’s launch. When the SOHO mission began on Dec.…

The ESA (European Space Agency) and NASA Solar and Heliospheric Observatory, or SOHO, spacecraft captured a glimpse of interstellar comet 3I/ATLAS on Oct. 15–26. During this time period, the spacecraft’s Large Angle and Spectrometric Coronagraph (LASCO) instrument suite spotted the…
This article was updated to include the full range of dates from the SOHO image. Lee esta historia en español aquí. NASA is in the midst of an unprecedented solar system-wide observation campaign, turning its spacecraft and space telescopes to…


