Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

It's springtime on Mars and the mysterious polygons are in bloom, a new image from the orbiting High Resolution Imaging Experiment (HIRISE) camera shows. Recorded on March 30, 2022, the image reveals ...

Sublimation of Snow Project principal investigator Jessica Lundquist (University of Washington) and co-principal investigator Julie Vano (AGCI) install a snow pillow, while members of the National ...