(Image/The seismic data provided by "InSight" has revealed the existence of a solid inner core on Mars for the first time.) ...

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and ...

A rare glimpse into the wintry conditions of Mars’s north polar vortex has shown that temperatures inside the vortex are far colder than outside, and ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

Do we know what space actually smells like? And what about other planets, moons, and celestial bodies? Here's what the ...

The climate of early Mars remains a mystery for planetary scientists, but Martian meteorites provide some clues. In a new study published in Science Advances, computer modeling was used to predict the ...

Billions of years ago, Mars may not have been the frozen desert we see today. New simulations suggest that volcanic eruptions pumped out reactive sulfur gases, creating greenhouse effects strong ...

Cuts by Donald Trump to Nasa’s budget mean there is no timetable to bring the samples back, although the space agency’s ...

Richard Ghail, a Professor of Earth Sciences, highlights Venus's relevance to understanding Earth-sized planets and their ...

The Earth’s atmosphere is experiencing an accelerated rate of atmospheric escape, leading to a faster loss of gases into ...

Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature. Astronomers generally consider water worlds to be among the most common types ...