Exoplanets – planets orbiting other stars – have been found by the thousands now, with many more to come. But what about exomoons? So far …
Read MoreHubble and Kepler telescopes may have found first exomoon
Human habitation of the Moon and Mars might still seem like a far-off dream, but visionaries are already taking incremental steps toward that goal. One …
Here’s a buzzword you might or might not have heard before: technosignatures. SETI pioneer Jill Tarter has proposed that the search for extraterrestrial intelligence (SETI) …
Mercury, the smallest terrestrial (rocky) planet and closest to the Sun, is relatively close to Earth, yet there is much that we still don’t know …
Is there – or has there – been life on Mars? We still don’t conclusively know the answer to that question, but scientists keep finding …