In early 2017, the two of us, along with a few others, refreshed the debate on the definition of planet in scientific nomenclature. The International Astronomical Union’s (IAU) historic definitional ...

According to the Science Definition Team, looking for signs of past life is the next logical step. The team's report details how the rover would use its instruments for visual, mineralogical and ...

Even as Curiosity continues its trek towards Mount Sharp, NASA is already laying out the groundwork for its next Mars rover. The space agency aims to launch Curiosity’s successor in 2020, a mission it ...

With Kansas facing international scrutiny over new public-school science standards that challenge evolution, one key change is easy to miss. In the introduction of the 111-page document, a new, longer ...

The new online Historical Dictionary of Science Fiction probes the speculative corners of the lexicographic universe. By Jennifer Schuessler “Warp speed” may be a term of the moment, thanks to the ...