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Comet Lemmon Brightens

Copyright: Victor Sabet & Julien De Winter Comet Lemmon is brightening and moving into morning northern skies. Besides Comet SWAN25B and Comet ATLAS, Comet C/2025 A6 (Lemmon) is now the…

Comet G3 ATLAS Disintegrates

Copyright: What’s happening to Comet G3 ATLAS? After passing near the Sun in mid-January, the head of the comet has become dimmer and dimmer. By late January, Comet C/2024 G3…

Rocket Launch Schedule FAQ

…bring to watch a rocket launch? For a comprehensive guide on what to bring to a rocket launch, explore our dedicated webpage: Tips For Viewing a Rocket Launch. This page

Comet ATLAS Before Sunrise

Copyright: Petr Horalek / Institute of Physics in Opava Comet ATLAS is really bright now, but also really close to the Sun. Outside the glow of the Sun, Comet C/2024

Comet ATLAS Rounds the Sun

comet and energized by the Sun. Currently, Comet ATLAS is showing long tails in southern skies but fading as it moves out of the inner Solar System. Growing Gallery: Comet…

NASA’s SPHEREx Examines Comet 3I/ATLAS’s Coma

…and carbon dioxide contained within comet 3I/ATLAS’s coma. The comet brightened significantly during the December 2025 period when SPHEREx made the observations — about two […] Published by NASA on…