We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a ...

An academic dives into "the other space race" as countries work to send satellites and other objects into orbit around the ...

PASADENA, Calif. A NASA spacecraft successfully slipped into orbit around Mars Friday, joining a trio of orbiters already circling the Red Planet. Scientists cheered after the Mars Reconnaissance ...

A one-way trip to the Mars usually takes about 9 months, but one team out of Russia thinks they can knock that down to 30 ...

Bringing samples from Mars back to Earth is one of NASA's most ambitious goals. The plan goes back to the 1970s, with NASA's robotic exploration program, when the first spacecraft landed on the ...

The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward ...

SpaceX's next version of Starship will be even bigger and more advanced than any iteration that has already launched 11 times ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the 'quasi-moon.' ...