Ever wonder why we say 'once in a blue moon'? May’s full moon schedule sheds some light. This Sky Above includes Halley's Comet sightings and NASA's safe splashdown.

NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) on December 14, 2021. Learn ...

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Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A brightening comet is now becoming easier to see — and this ...

Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a truly “great” one. Comet C/2025 R3 (PanSTARRS) hangs above Bietschhorn in ...

A newly discovered comet, C/2025 R3 (PanSTARRS), could be the brightest of its kind visible from Earth in 2026. The comet will make its closest approach to the sun on April 19 and its closest approach ...

Time to look up stargazers. There's another comet coming our way. A newly discovered comet, comet C/2025 R3 (PanSTARRS), which appears to have been traveling in the solar system since September, is ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A newly brightening comet is now visible in the predawn sky ...

The Artemis II moon mission may have concluded, but there are still some cosmic wonders on the horizon. For the first time since the prehistoric age, interstellar comet C/2025 R3 (Pan-STARRS) will be ...

Comet MAPS (C/2026 A1) didn't survive its close encounter with the Sun, ruining its chances of brightening up the night skies. Reading time 2 minutes Bad news for skywatchers: A sungrazing comet that ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A large comet has exploded as a result of thermal pressure while ...

For the first time, a comet may have been caught flipping its spin. Sometime between April and December 2017, comet 41P/Tuttle-Giacobini-Kresák apparently started twirling in the opposite direction, ...