Here, we apply an anthropological lens to expand this scope to surface technosignatures: non-random, intentional patterning on planetary terrain, similar to long-lasting human-made landscapes and ...

Earth is the only known planet in the solar system that can sustain and provide a habitable environment for life ...

In a paper published Monday in The Astrophysical Journal, researchers using Hubble studied 37 nearby dwarf galaxies — small galaxies containing a few thousand to hundreds of millions of stars — and ...

Gabrielle Schweitzer performs a ultraviolet light inspection on a Dragonfly Mass spectrometer (DRAMS) transducer at Goddard Space Flight Center, Greenbelt Md., Oct. 20, 2026. “DraMS will allow ...

Planetary Protection risk assessments would benefit from extending beyond traditional microbial monitoring methods like the Standard Spore Assay (SSA).

Across a range of synodic day lengths, we find that there is a permanent polar ice reservoir and an increasingly large build-up of lower-latitude transient nightside ice for longer days. A persistent ...

Extraterrestrial material has often been evaluated as delivered cargo: amino acids, nucleobases, organics, brines, or biological vectors.

NASA issued a Request for Information Oct. 29 to learn more about industry capabilities for in-space servicing to support the agency’s Hubble Space Telescope.

Giant impacts are believed to play a major role in the assembly, long-term orbital stability, and resonant structure of ...

NASA] Terra Sirenum is a heavily cratered region of Mars’ ancient Southern Highlands. A blanket of dust, possibly cemented by ice, covers much of the ancient bedrock in these Martian middle latitudes, ...

NASA is inviting the public to send their names aboard the agency’s Dragonfly rotorcraft and be part of the first science ...

The origin of biological homochirality remains a central enigma in astrobiology. The emergence of a homochiral world ...