In a paper to be published in the Planetary Science Journal, scientists from SETI Institute, Southwest Research Institute, ...

ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) has revealed a four-planet system whose outermost world is a small and rocky planet -- not a gas giant.

New orbital data reveal that the most recently active volcanic systems on Mars weren’t simple one-off blasts into space.

Known non-biological sources, from meteorites to surface chemistry, fall short of accounting for organic compounds detected ...

A new analysis of data from four instruments aboard NASA’s Cassini spacecraft has demonstrated the crucial role that Saturn’s ...

For decades, the motions of stars near the center of our Milky Way Galaxy have been treated as some of the clearest evidence ...

Planetary scientists have identified a previously unrecognized pathway for water loss on Mars -- observed, for the first time ...

A new image from the NASA/ESA Hubble Space Telescope reveals for the first time the delicate interplay of cosmic dust and stellar winds in the Egg Nebula, a bipolar protoplanetary nebula within the ...

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have uncovered an unprecedented richness of small gas-phase ...