The Red Planet's sky glows green—and makes history By Ariana Garcia , Assistant News Editor May 15, 2025 An artist's impression of what a green nightglow might look like in the polar winter ...

Perseverance’s instruments determined the aurora emitted light with a wavelength of 557.7 nanometers—a green glow that’s visible to the human eye—which told astronomers the source was oxygen.

Facebook X Reddit Email Save. You’ve probably heard astronauts talking to mission control while they perform operations in space. In these recordings, you can hear the back-and-forth chatter ...

For the first time, scientists have observed a Martian aurora visible to the human eye, thanks to a carefully coordinated cosmic forecast. On March 18, 2024, NASA's Perseverance rover captured the ...

CNN’s Call to Earth Day 2025 embraces the powerful theme “Guard Your Green Space,” urging individuals, communities, and nations to take bold, collective action to protect the natural world ...

A giant exoplanet is surprisingly chill given how close it is to its red dwarf star — perhaps because the star is so little.